Privacy Policy

Last updated: June 23, 2026

Chengdu Yazhengxiao Technology Co., Ltd., operating as Ya Zheng (we, our, or us), is committed to protecting the privacy and security of your personal information. This Privacy Policy describes how we collect, use, disclose, and safeguard your information when you visit our website at yazheng.lat (the Site) or engage with our services.

By using the Site or our services, you agree to the collection and use of information in accordance with this Privacy Policy. If you do not agree with any part of this policy, please discontinue use of our Site and services.

1. Information We Collect

1.1 Information You Provide Directly

We collect information that you voluntarily provide when you:

• Submit an inquiry through our contact form, including your first and last name, email address, company name, area of interest, and project description.
• Communicate with us via email at connect@yazheng.lat or by phone at +1 (938) 388-9332.
• Engage with us for consultation, proposals, or service delivery.

1.2 Information Collected Automatically

When you visit our Site, we may automatically collect certain information, including:

• Log data such as your IP address, browser type, operating system, referring URLs, pages viewed, and the dates and times of your visits.
• Device information including device type, screen resolution, and language settings.
• Usage data such as click patterns, scroll depth, and time spent on pages.

This automatically collected information is used for Site analytics, performance monitoring, and security purposes. It does not identify you personally unless combined with other information.

2. How We Use Your Information

We use the information we collect for the following purposes:

• To respond to your inquiries and provide information about our services.
• To prepare proposals, statements of work, and service agreements.
• To deliver and manage our computer systems design and consulting services.
• To improve our Site, services, and user experience.
• To communicate with you about updates, technical developments, and service-related announcements.
• To comply with legal obligations and protect our legal rights.
• To detect, prevent, and address technical issues, fraud, or security incidents.

3. Legal Basis for Processing

For individuals located in the European Economic Area (EEA), United Kingdom, or other jurisdictions requiring a legal basis, we process personal data under the following legal grounds:

• Consent: Where you have given clear consent for us to process your personal data for a specific purpose, such as responding to a contact form submission.
• Legitimate Interests: Where processing is necessary for our legitimate business interests, including service improvement, security, and business development, provided those interests are not overridden by your rights and interests.
• Contractual Necessity: Where processing is necessary for the performance of a contract with you or to take steps at your request before entering into a contract.
• Legal Obligation: Where processing is necessary for compliance with a legal obligation to which we are subject.

4. Information Sharing and Disclosure

We do not sell, rent, or trade your personal information to third parties. We may share your information only in the following limited circumstances:

• Service Providers: With trusted third-party vendors who assist us in operating our Site, conducting our business, or serving you, provided those parties agree to keep your information confidential and use it solely for the purposes we specify.
• Legal Compliance: When required by law, regulation, legal process, or governmental request, or to protect the rights, property, or safety of Ya Zheng, our clients, or the public.
• Business Transfers: In connection with a merger, acquisition, reorganization, or sale of all or a portion of our assets, provided the receiving party agrees to respect your personal information in a manner consistent with this policy.
• With Your Consent: In any other circumstance with your explicit prior consent.

5. Data Retention

We retain personal information only for as long as necessary to fulfill the purposes for which it was collected, including for the purposes of satisfying any legal, accounting, or reporting requirements. To determine the appropriate retention period, we consider the amount, nature, and sensitivity of the personal data, the potential risk of harm from unauthorized use or disclosure, the purposes for which we process your personal data, and applicable legal requirements.

• Contact form inquiries: Retained for up to 24 months after the last communication.
• Client project data: Retained for the duration of the engagement plus 7 years, or as required by applicable law.
• Website analytics data: Retained for up to 26 months in anonymized or pseudonymized form.

6. Data Security

We implement and maintain reasonable administrative, technical, and physical safeguards designed to protect your personal information against unauthorized access, disclosure, alteration, or destruction. These measures include:

• Encryption of data in transit using TLS 1.3.
• Access controls and authentication mechanisms for all systems storing personal data.
• Regular security assessments and vulnerability testing.
• Employee training on data protection and privacy practices.

However, no method of transmission over the Internet or method of electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your personal information, we cannot guarantee its absolute security.

7. Your Rights

Depending on your jurisdiction, you may have the following rights regarding your personal information:

• Access: The right to request a copy of the personal data we hold about you.
• Rectification: The right to request correction of inaccurate or incomplete personal data.
• Erasure: The right to request deletion of your personal data under certain circumstances.
• Restriction: The right to request restriction of processing under certain circumstances.
• Portability: The right to receive your personal data in a structured, commonly used, and machine-readable format.
• Objection: The right to object to processing based on legitimate interests or direct marketing.
• Withdraw Consent: The right to withdraw consent at any time where processing is based on consent.

To exercise any of these rights, please contact us at connect@yazheng.lat. We will respond to your request within the timeframe required by applicable law. We may need to verify your identity before processing your request.

8. Cookies and Tracking Technologies

Our Site may use cookies and similar tracking technologies to enhance your browsing experience and collect analytics data. Cookies are small text files placed on your device by websites you visit.

We may use the following types of cookies:

• Essential Cookies: Necessary for the Site to function properly. These cannot be disabled.
• Analytics Cookies: Help us understand how visitors interact with our Site by collecting and reporting information anonymously.
• Functional Cookies: Enable enhanced functionality and personalization.

You can control cookies through your browser settings. Disabling certain cookies may affect the functionality of our Site. For more information about managing cookies, visit your browser's help documentation.

9. International Data Transfers

Chengdu Yazhengxiao Technology Co., Ltd. is headquartered in Chengdu, Sichuan Province, China. If you are accessing our Site or services from outside China, your information may be transferred to, stored, and processed in China or other countries where our servers or service providers are located. We take appropriate safeguards to ensure that such transfers comply with applicable data protection laws.

10. Children's Privacy

Our Site and services are not directed to individuals under the age of 18. We do not knowingly collect personal information from children. If you become aware that a child has provided us with personal information, please contact us immediately. If we become aware that we have collected personal information from a child without verification of parental consent, we will take steps to remove that information from our systems.

11. Third-Party Links

Our Site may contain links to third-party websites or services that are not owned or controlled by Ya Zheng. We are not responsible for the privacy practices of these third parties. We encourage you to review the privacy policies of any third-party sites you visit.

12. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices, technologies, legal requirements, or for other operational reasons. When we make changes, we will update the Last updated date at the top of this page. We encourage you to review this Privacy Policy periodically. Continued use of our Site or services after changes are posted constitutes acceptance of the updated policy.

13. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us at:

Chengdu Yazhengxiao Technology Co., Ltd.
Room 6, Attached No. 9, 4th Floor, 413
Saiyuntai East 1st Road, Jinniu District
Chengdu City, Sichuan Province, 610000
China

Email: connect@yazheng.lat
Phone: +1 (938) 388-9332
Web: yazheng.lat