Dogain Optoelectronic Technology (H.K.) Co., Limited and its Affiliates (hereinafter collectively referred to as “DoGain” or “We”) fully recognize the importance of your personal information and shall make every effort to safeguard the security of your personal information in accordance with applicable laws. We are committed to retaining your trust and protecting your personal information in compliance with the following principles: alignment of rights and responsibilities, specified purposes, data minimization, security assurance, data subject participation, openness and transparency, among others. Meanwhile, we undertake to adopt corresponding security protection measures in accordance with the law and mature industry security standards to protect your personal information.
For the purposes hereof, personal information means all types of information recorded electronically or by other means that can identify a natural person’s identity either alone or when combined with other information.
This Policy applies to all services provided by DoGain to you via its official website or other internet platforms (including WeChat Mini Programs, WeChat Official Accounts, online forms, and new digital platforms featuring novel service or product forms built on the internet and mobile internet that may emerge in the future due to business demands or technological advances). When you access products and services through a specific internet platform, such platform may have a separate privacy policy or statement specifying how your personal information will be collected, processed and used on that platform, whose terms shall prevail over this Policy. Matters not covered by such separate privacy policy or statement shall be governed by the provisions of this Policy.
This Policy sets out the purposes, methods and scope of collection and use of your personal information by our products and services, your rights in respect of your personal information, and the security safeguards we implement to protect information security. Please read this Policy carefully and familiarize yourself with our personal information protection practices before using our products or services. If you do not agree to the terms of this Policy, you may click the “Disagree” button on the corresponding interface or exit and close the relevant products and services directly, in which case we will be unable to provide you with such products and services. By clicking “Agree”, you fully and explicitly acknowledge and understand the information collection and processing activities described below as well as all rights granted to you.
Within this Policy, key provisions requiring your special attention shall be highlighted in bold font as a reminder. Should you have any questions, comments or suggestions regarding the contents of this Policy, you may contact us via the contact information set forth in Section 10 of this Policy.
This Policy will help you understand the following contents:
How We Collect and Use Your Personal Information
How We Use Cookies and Similar Technologies
How We Retain Your Personal Information
How We Entrust Processing, Share, Transfer or Publicly Disclose Your Personal Information
How We Protect Your Personal Information
Your Rights Relating to Your Personal Information
How We Process Personal Information of Minors
Cross-Border Transmission of Your Personal Information
Updates to This Policy
How to Contact Us
How We Collect and Use Your Personal Information
We collect personal information to operate our business more efficiently and deliver an optimal user experience to you. The types of information we collect depend on the products you actually use, the scenarios where you interact with us, your choices including your privacy settings, and the product features you utilize.
We collect and use your personal information solely for the purposes set out below in this Policy. Unless otherwise specified in this Policy or required by applicable laws and regulations, if we intend to use your personal information for any other purposes not stated herein, we will notify you in advance and obtain your consent prior to such use.
How We Collect and Use Your Personal Information
1.1 Provision of All Functions on DoGain Official Website
On DoGain Official Website, we provide the following services and process corresponding personal information:
(1) Contact Us Service
This service allows you to submit your demands to us. We will collect the information you provide as follows, including your name, contact phone number, email address, job role, company name and your demands, so that we can contact you promptly and respond to your requests.
(2) Collaborative Innovation Service
If you intend to cooperate with us with innovative ideas, you may submit information related to collaborative innovation cooperation via this service. We will collect the information you provide as follows, including your name, contact phone number, email address, job role, mailing address, company name and innovation project details, so that we can contact you in a timely manner and evaluate the cooperation prospects.
(3) Compliance Reporting Service
You may report irregularities to us through this service. We will collect the information you provide as follows, including your name, contact information, email address, job role and details of the irregular incident, for us to receive and properly handle such irregularities.
(4) Subscription
This service enables you to receive the latest news of DoGain in a timely manner. We will collect your email address to send you relevant news materials regularly.
The aforesaid information is indispensable for us to operate all functions and corresponding specific services on DoGain Official Website. Therefore, if you refuse to provide such information and authorize us to use it, we will be unable to provide you with the specific services under the above functions of DoGain Official Website.
1.2 Provision of Functions on Internet Platforms
On each of DoGain’s internet platforms, we provide relevant services and process corresponding personal information. For details, please refer to the privacy policy of the respective internet platform. Matters not stipulated in such separate privacy policies or statements shall be governed by the provisions of this Policy.
(1) Business Demand Collection
If you need to inquire about product procurement, installation, franchise cooperation, after-sales service, cooperation details and other business matters, we will collect your internet platform account ID, name, mobile phone number, email address, customer type, company name, address, demand category, purchase volume, installation area, intended cooperation type and business requirements, so that we may contact you promptly and provide relevant services.
1.3 Customer Activities, Marketing Promotion and Market Research
You acknowledge and agree that during your use of our services, we may use your personal information for customer activities, marketing promotion and/or market research purposes. For instance, we may use your name, email address, phone number and other relevant personal information to carry out customer care and marketing campaigns, including sending you promotional notifications such as new product launches, sales offers and holiday greetings. If you do not wish to receive such push messages, you may unsubscribe following the instructions contained in the relevant messages or contact us directly.
In addition, when you participate in our online or offline events held from time to time, we will collect and use your personal information as necessary for your participation and for the purposes specified in this Policy (e.g., optimizing and improving our services, extending personalized product invitations tailored to your interests). We will separately inform you of the types of personal information to be collected and event details at the time of collection and obtain your consent. You will be prompted to read this Privacy Policy, and your participation in any online or offline event shall be deemed your acknowledgment that you have read and agreed to this Privacy Policy. We will process your personal information strictly in accordance with this Privacy Policy.
1.4 Information We Collect Automatically When You Use Our Products or Services
To secure our products and services, deliver improved offerings and optimize user experience, we will collect certain device information and data regarding interactions between you, your devices and our products and services while you use our relevant products and services, including:
(1) Device Information
To guarantee superior compatibility, quality and efficiency of web browsing services, we automatically collect data via Cookies when you browse our official website, including IP address, browser type, operating system, language settings and screen resolution.
(2) Log Information and Operation Records
We only collect essential server logs for website security and operation maintenance purposes, and such logs will not be used for behavioral tracking. Except for mandatory logs, non-essential data for analytics, personalization or marketing will only be collected after you consent to the corresponding types of Cookies. If you decline or disable non-essential Cookies, we will not collect such data or conduct cross-device / cross-service data linkage.
Please note that our functions and services are continuously updated and upgraded. If any function or service not covered in the above statements collects your personal information, we will separately inform you of the content, scope and purpose of information collection via page pop-ups, interactive procedures, website announcements, supplementary agreements or other means to obtain your consent.
2. Exceptions Where We Do Not Need Your Consent to Collect and Use Personal Information
You fully acknowledge that under applicable laws, we may collect and use your personal information without obtaining your explicit consent under the following circumstances:
(1) Where such collection and use are necessary for us to perform obligations prescribed by laws and regulations;
(2) Where such collection and use are directly related to national security and national defense security;
(3) Where such collection and use are directly related to public security, public health and major public interests;
(4) Where such collection and use are directly related to criminal investigation, prosecution, trial and judgment enforcement;
(5) Where it is necessary to protect major legitimate rights and interests such as life and property of you or other individuals, yet it is difficult to obtain your consent;
(6) Where the personal information concerned has been voluntarily disclosed to the general public by yourself;
(7) Where such collection and use are necessary for concluding and performing the contract entered into between you and us;
(8) Where we collect your personal information from legally disclosed public sources such as legitimate news reports and government open information channels;
(9) Where such collection and use are necessary to maintain the safe and stable operation of products or services, such as detecting and resolving product or service malfunctions;
(10) Where such collection and use are necessary for news organizations to conduct legitimate news reporting;
(11) Where such collection and use are necessary for academic research institutions to carry out statistical or academic research for public interest, and the personal information contained in research outputs will be de-identified before such outputs are released to the public.
II. How We Use Cookies and Similar Technologies
1. What Are Cookies?
A Cookie is a small file or mechanism stored and retrieved by the website server on your computer, mobile phone or other local terminal devices when you log onto or browse website content. It is used to collect, identify and store information generated during your visit and use of our products, and generally contains identifiers, site names, as well as numbers and characters. When you revisit the corresponding website, the website may recognize your identity via Cookies. Details on our use and management of Cookies are set out below.
2. Cookies and Similar Technologies We Deploy
(1) We and our partners use Cookies or similar tracking technologies to better understand your usage of mobile software on your device, including the frequency of your app access, events occurring within the app, total usage volume, performance data and app download sources. We will not link information stored in analytics software to any personal information you submit via mobile applications.
(2) We and our partners use Cookies or similar tracking technologies to analyze trends, administer the website, track user behaviors on the site, and collect aggregate demographic information of our user base.
(3) Most web browsers feature a Do Not Track function, which sends Do Not Track requests to websites. If you enable Do Not Track on your browser, all of our websites will honor your preference.
(4) Like most websites, we automatically collect certain information to analyze aggregated trends and administer our websites. Such information may include Internet Protocol (IP) address, browser type, Internet Service Provider (ISP), referring/exit pages, files you view on our website (such as HTML pages, graphics, etc.), operating system, date/time stamps and/or clickstream data.
(5) We cooperate with third parties to display advertisements on our website or manage our ads on other platforms. Our authorized partners may use Cookies or similar tracking technologies to deliver advertisements tailored to your browsing activities and interests. If you wish to opt out of interest-based advertising, please note that you will still receive generic non-personalized advertisements.
3. Clearing or Disabling Cookies
You may manage your Cookie preferences via the Cookie settings banner popped up at the bottom of the page during your first visit. If you wish to modify your consent, you may clear all Cookies of this website stored in your browser and revisit the site, or adjust relevant settings within your browser’s options/preferences. Below is a guide on how to carry out such operations on mainstream browsers:
· https://support.microsoft.com/en-gb/help/17442/windows-internet-explorer-delete-manage-cookies
· https://privacy.microsoft.com/en-us/windows-10-microsoft-edge-and-privacy
· https://support.mozilla.org/en-US/kb/cookies-information-websites-store-on-your-computer
· https://support.google.com/chrome/answer/95647?hl=en
· https://support.apple.com/kb/PH21411
· https://support.apple.com/en-gb/HT201265
4. Further Information about Cookies
For detailed information about Cookies and instructions on how to configure your browser to accept, delete or disable Cookies, please visit http://www.allaboutcookies.org/.
III. How We Retain Your Personal Information
We retain your collected personal information for the shortest period necessary to fulfil the collection purposes specified in this Policy, unless a longer retention period is required by applicable laws and regulations. Upon expiry of the aforesaid retention period, we will delete or anonymize your personal information.
If we cease operation of part or all of our products or services due to special reasons, we will notify you in a timely manner, suspend all collection and processing activities of personal information associated with such products or services, and delete or anonymize all personal information held by us related thereto, unless otherwise stipulated by laws and regulations.
IV. How We Entrust Processing, Share, Transfer or Publicly Disclose Your Personal Information
1. Entrusted Processing
To provide you with professional and high-quality products and services, certain modules or functions on the DoGain official website and each internet platform are actually provided by external suppliers entrusted by us. Under such circumstances, we need to entrust such external suppliers to process your personal information to deliver relevant services and support to you.
For entrusted processing, we will enter into agreements with entrusted processors (companies, organizations and individuals assisting us in processing personal information) that specify the purposes, duration and methods of processing, categories of personal information, security safeguards, as well as the rights and obligations of both parties within the scope of authorization you granted to us. We will also supervise their personal information processing activities. If you have inquiries or complaints regarding personal information processing via such modules or functions, you may contact us directly through the contact information set forth in Section 10.
We will sign strict confidentiality agreements with all suppliers entrusted to process your personal information, requiring them to process personal information in compliance with our requirements, this Privacy Policy and all relevant confidentiality and security safeguards.
2. Sharing
To deliver more comprehensive services to you, we may occasionally share your personal information with our strategic partners who jointly provide products and services with us. We only share necessary personal information and such sharing shall be limited to the purposes stated in this Privacy Policy. Before sharing your personal information, we will prompt you again via pop-up windows or similar means to obtain your authorization, or require you to separately click to confirm or sign a Separate Consent Form.
We will sign strict confidentiality agreements with all companies, organizations and individuals receiving shared personal information, mandating them to use such information solely for the purposes stated in this Privacy Policy and implement corresponding confidentiality and security measures during processing.
3. Transfer
We will not transfer your personal information to any third-party company, organization or individual, except under the following circumstances:
(1) Transfer with your explicit consent. We will provide your personal information to other parties only after obtaining your explicit consent.
(2) Mergers, acquisitions or bankruptcy liquidation. If personal information needs to be transferred to the successor of the company’s rights and obligations in connection with a merger, acquisition or bankruptcy liquidation, we will separately inform you of the relevant circumstances. We will require the new entity holding your personal information to remain bound by this Policy; otherwise, we will demand that such entity re-obtain your authorization and consent. All data (including user data) managed by acquired or merged entities shall be processed and protected under the same standards and requirements as DoGain’s proprietary data.
4. Public Disclosure
We will publicly disclose your personal information only in the following cases:
(1) Where such disclosure is genuinely necessary for our business and we have obtained your separate consent; or
(2) Disclosure required by law. We may disclose your personal information if compelled by law to comply with subpoenas, other legal procedures, litigation or mandatory requirements from competent government authorities, and we sincerely believe disclosure is necessary to protect our rights, safeguard your safety or the safety of others, investigate fraud, or respond to government requests.
5. Exceptions Where Prior Consent Is Not Required for Sharing, Transfer or Public Disclosure of Personal Information
You fully acknowledge that under applicable laws, we may share, transfer or publicly disclose your personal information without obtaining your prior authorization and consent under the following circumstances:
(1) Such disclosure is necessary for us to perform obligations prescribed by laws and regulations;
(2) Such disclosure is directly related to national security and national defense security;
(3) Such disclosure is directly related to public security, public health and major public interests;
(4) Such disclosure is directly related to criminal investigation, prosecution, trial and judgment enforcement;
(5) Such disclosure is necessary to protect major legitimate rights and interests such as life and property of you or other individuals, yet it is difficult to obtain your consent;
(6) The personal information concerned has been voluntarily disclosed to the general public by yourself;
(7) The personal information is collected from legally disclosed public sources such as legitimate news reports and government open information channels.
V. How We Protect Your Personal Information
1. Our Safeguards for Your Personal Information
We attach great importance to the security of your personal information. We adopt multi-layered protective measures including industry-standard technical security controls, supporting organizational frameworks and management systems to maximize protection of the personal information you provide, and prevent unauthorized access, public disclosure, use, modification, damage or loss of data.
For secure data transmission, we deploy cryptographic technologies such as Transport Layer Security (TLS) and adopt HTTPS protocols to prevent interception and eavesdropping during transmission, build a secure environment for private data, and guarantee data confidentiality and integrity.
For security control over data access and usage, we implement strict data permission control mechanisms and multi-factor authentication technology. All activities involving processing your personal information are monitored to avoid unauthorized access and improper use of data.
2. Notification and Response to Personal Information Security Incidents
Please note that despite our reasonable protective measures, no website, internet transmission, computer system or wireless connection is absolutely secure. In the unfortunate event of a personal information security incident, we will notify you of relevant details via email, letter, phone, push notifications or other means in a timely manner as required by applicable laws and regulations. The notification will cover basic facts and potential impacts of the security incident, remedies we have taken or will take, recommendations for you to independently prevent and mitigate risks, and relief measures available to you. If individual notification of each data subject is impracticable, we will issue a public announcement through reasonable and effective channels. Meanwhile, we will report the handling progress of the personal information security incident to regulatory authorities as required.
Certain internet platforms operated by us may contain hyperlinks maintained by third parties over whom we have no control. Any information you provide to such third parties shall be governed by their respective privacy or personal information protection policies. We recommend that you review and inquire about their policies before disclosing any information to third parties. We assume no liability for the content, conduct or policies of any third party.
VI. Your Rights over Your Personal Information
We respect all your rights in relation to your personal information. Below outlines the rights you are entitled to by law and how we safeguard such rights.
1. Right to Know
We inform you of how we process your personal information by publishing this Policy and issuing specific announcements, SMS messages, email notifications and other communications as required by laws and regulations. We are committed to full transparency regarding our use of your information. You may stay informed of the collection and use of your personal information by reviewing this Policy regularly, receiving emails and SMS regarding updates to this Privacy Policy, or contacting us via the channels specified herein.
2. Right of Access
You may directly query or access your personal information within the interfaces of our products or services. For example, you may log into your account at any time via relevant product pages to view personal information associated with your account.
If you cannot query or access your personal information independently, or encounter any difficulties while exercising your right of access, you may contact us through the channels specified herein to request access to your personal information.
3. Right to Rectification
You have the right to request us to correct or supplement your personal information if you find any inaccuracies or incompleteness in the data we process. For certain categories of your personal information, you may directly make corrections and revisions on relevant functional pages of our products or services.
For personal information without self-service editing channels, you may contact us via the channels specified herein to request rectification or supplementation.
4. Right to Erasure
You may request deletion of certain personal information you have provided to us. For certain categories of your personal information, you may delete such data directly on relevant functional pages of our products or services.
For personal information without self-service deletion channels, or personal information collected and used by us in breach of our agreement with you, you may contact us via the channels specified herein to request erasure of your personal information.
5. Right to Account Cancellation
We provide an account cancellation service. You may initiate account cancellation on relevant product interfaces, or contact us at any time through the channels specified herein to request account termination. Upon your request for account cancellation, we will delete or anonymize all your associated personal information in a timely manner as required by laws and regulations, unless otherwise stipulated by applicable laws.
After account cancellation, we will no longer be able to provide you with products or services that require account login.
6. Right to Withdraw Consent
Each business function requires certain basic personal information to operate (see Section “How We Collect and Use Your Personal Information” of this Policy). You may adjust the scope of your authorization for us to continue collecting personal information or withdraw your consent by deleting information, disabling device permissions, modifying settings on relevant product or function pages, or cancelling your account.
If you withdraw your authorization and consent, we will no longer be able to provide the services corresponding to such consent, and we will cease processing the relevant personal information. However, your withdrawal of consent shall not affect any prior personal information processing activities carried out based on your previous authorization.
7. Right to File Complaints
You have the right to contact us via the channels specified herein to submit complaints. We will respond to your complaint within 15 working days upon receipt. If you are dissatisfied with our response, particularly if our personal information processing activities have harmed your legitimate rights and interests, you may file complaints or reports with relevant regulatory authorities, or initiate litigation before a competent court.
8. Response to Your Requests for Exercising the Above Rights
To protect the security of your account and personal information, we will verify your identity (e.g., requesting a written request or adopting other reasonable verification methods) before processing your requests mentioned above. If you have any questions, please contact us through the contact information listed in Section 10 of this Privacy Policy.
We will not charge fees for reasonable requests in principle. However, we may charge a reasonable cost fee for repeated excessive requests beyond reasonable limits. We reserve the right to reject requests that involve repetitive groundless demands, require excessive technical resources (e.g., developing new systems or fundamentally overhauling existing workflows), pose risks to the legitimate rights and interests of others, or are impractical (e.g., accessing information stored on backup tapes). We cannot fulfil your requests under the following circumstances:
(1) Fulfilling the request would hinder the personal information controller’s performance of statutory obligations;
(2) The request is directly related to national security and national defense security;
(3) The request is directly related to public security, public health and major public interests;
(4) The request is directly related to criminal investigation, prosecution, trial and judgment enforcement;
(5) The personal information controller possesses sufficient evidence proving the data subject acts in bad faith or abuses rights;
(6) Fulfilling the request would undermine the major legitimate rights and interests such as life and property of the data subject or other individuals, and it is impracticable to obtain the data subject’s consent;
(7) Fulfilling the request would cause severe damage to the legitimate rights and interests of the data subject or other individuals and organizations;
(8) The request involves trade secrets.
Please understand that due to technical limitations, legal or regulatory requirements, we may not be able to satisfy all your requests. We will provide feedback within 15 working days or the time limit prescribed by applicable laws and regulations. We will continuously optimize our products and services to safeguard your rights.
VII. How We Process Personal Information of Minors
Our products, websites and services are not targeted at minors, and we will not collect or use personal information of minors. If we accidentally collect personal information of minors under exceptional circumstances, we will delete the relevant information as soon as possible after verification. If you discover that we have collected personal information of minors during your use of our products and services, please contact us via the contact information disclosed in this Privacy Policy. We will conduct timely verification upon receipt of your notice and delete the relevant information once confirmed.
VIII. Cross-Border Transfer of Your Personal Information
All personal information collected and generated within the territory of the People’s Republic of China will be stored within the territory of the People’s Republic of China and will not be transferred to, or accessed from, overseas jurisdictions.
If we genuinely need to transmit your personal information overseas for specific business purposes, we will comply with the requirements of applicable laws, regulations and regulatory authorities. We will notify you of the name and contact details of the overseas recipient, processing purposes and methods, categories of personal information, as well as procedures for you to exercise your rights against the overseas recipient in relevant service agreements or authorization agreements on dedicated function pages, and obtain your separate consent (where applicable). Before transferring your personal information overseas, we will adopt measures as required by law including security assessments, personal information protection certifications, or entering into contracts with overseas recipients based on standard contracts formulated by national cyberspace authorities to satisfy statutory conditions for cross-border provision of personal information.
IX. Updates to This Policy
We reserve the right to update or revise this Privacy Policy from time to time. Without your explicit consent, we will not diminish any rights you enjoy under this Policy. If this Policy is revised, the latest version will be published on this website. For material revisions to this Policy, we will send you change notifications through various channels, such as posting announcements on our website or pushing notifications via your devices. We will archive historical versions of this Policy for your reference.
If you do not agree to this Privacy Policy, we will be unable to collect and process the information necessary to provide services to you, and accordingly cannot deliver normal services to you.
This Policy shall take effect on the date of update.
Last Updated: June 16, 2026
X. How to Contact Us
If you have complaints or reports regarding personal information protection, or any questions, comments or suggestions about this Privacy Policy, matters related to your information, or DoGain’s privacy practices, please contact us via the methods set forth below. We will handle your inquiries and provide feedback in a timely manner in accordance with applicable laws and regulations:
Email: sales@dogain.com
Tel: +852-3590 6790
Address: Unit 203, 2nd Floor, Bld. 2E, Phase One, Hong Kong Science Park, Pak Shek Kok, Hong Kong, China
