Cookie Notice

1. Data Controller Information

The data controller responsible for information collected through first-party cookies and session technologies on this website is:

2. What Information We Collect via Cookies

When you navigate our portal, we may collect technical data through automated technologies:

• Technical & Device Identifiers: IP address, device type, operating system, and browser version;
• Session & Authentication State: Secure encrypted session tokens for authorized laboratory analysts and admin portal access;
• User Preferences: Selected site language (English or Hong Kong Traditional Chinese 繁體中文) and sample fee calculator state;
• Query Logs: Serial number lookup timestamps used to protect our Certificate of Analysis (COA) registry against automated brute-force attempts.

3. Categories of Cookies We Use

4. How to Control and Delete Cookies

You can control and/or delete cookies at any time via your browser settings. You can delete all cookies stored on your computer and configure most modern browsers to block new cookies. However, if you disable all cookies, certain features (such as analyst login and persistent language settings) may not function properly.

For detailed browser instructions, please visit: https://allaboutcookies.org.

5. Lawful Grounds for Processing

We rely on our legitimate interest for strictly necessary cookies to ensure the cybersecurity, integrity, and anti-tamper protection of our laboratory certificates. For non-essential functional preferences, we process data based on your voluntary site interaction and consent.

6. Third-Party Technologies & Security Auditing

We do not allow third-party advertising networks to track your analytical browsing on our site. Any automated rate-limiting or anti-abuse protection mechanisms operate strictly under encrypted, pseudonymized protocols without selling your data.

7. Cross-Border Transfers

Technical log data is stored in ISO 27001-compliant datacenters. Where international transfers occur to serve international clients, standard data protection clauses and end-to-end encryption apply.

8. Your Rights Over Personal Data

Under the Hong Kong Personal Data (Privacy) Ordinance (Cap. 486), you have the right to access, rectify, or request deletion of personal data collected through our systems. Contact our Data Protection Officer at [email protected].

9. Updates to This Cookie Notice

We may periodically update this Cookie Notice to reflect enhancements in technology, laboratory standards, or statutory requirements. Continued use of our site indicates acceptance of any revised terms.

Last Revised: August 15, 2026 • Zenith BioChemical Laboratories (Hong Kong) Limited