Privacy Policy

Effective date: November 11, 2026 · Applicable entity: Shenzhen CTLC Testing Technology Co., Ltd. (hereinafter “CTLC” or “we”) · Applicable sites: www.ctlc.com.cn and yanxishe.ctlc.com.cn

1. What information we collect

We obtain your information in only two situations: information you submit voluntarily, and information automatically recorded by the system when you visit。

• Information you submit voluntarily: your form of address, mobile number, WeChat ID, email address, company name, product model and requirement description, and the documents you upload (such as product manuals, circuit diagrams, existing
• Information recorded automatically: the paths of pages visited, page referrers (for example, which search engine or external site you came from), visit time, browser and device type, and IP address. The IP address is used only for security risk control (anti-scraping, prevention of malicious submissions) and coarse regional statistics, not for locating any individual.
• We do not collect: ID card numbers, bank card numbers, precise geolocation, address books, photo albums and other information unrelated to certification enquiries.

2. What the information is used for

• responding to your assessment request, calculating quotations and determining which certification route your product should follow;
• following up on services with your consent, sending materials, and reminding you of certificate expiry and surveillance audit milestones;
• performing contractual and compliance obligations (testing commissions, liaison with testing bodies, invoicing and archive retention);
• compiling statistics on site visits and conversions to improve our pages and content;
• security risk control: identifying malicious submissions, crawlers and abnormal access.

3. Cookies and third-party analytics

This site itselfdoes not set any tracking Cookies; site visit statistics are compiled on the server side (recording only page paths, referring domains and timestamps, with no user profiles generated).

We may integrate third-party analytics tools (such as Baidu Analytics) to analyse traffic sources and landing-page performance. Such tools set Cookies and collect visit data under their own privacy policies. You may disable Cookies in your browser; the main functions of the site will not be affected.

4. Whether we share information with third parties

We do not sell or rent your personal information. We disclose it to the smallest possible scope of third parties only in the following necessary circumstances:

• Testing bodies and certification-related parties: filing for CCC / SRRC / network access requires submitting applicant and product information to qualified laboratories and accepting bodies, which is necessary to complete the engagement;
• Service providers: such as SMS notification, WeCom (used for internal lead alerts), cloud servers and backup services, which access data only to the extent necessary to provide the service;
• Legal obligations: where disclosure is mandatory under laws and regulations or pursuant to a lawful request of a judicial or administrative authority.

5. Storage location and retention period

Data is stored on servers located within the territory of the People's Republic of China.enquiry information is retained for 24 months; for contracted projects, contracts, testing submission and certificate files are retained until 3 years after the certificate ceases to be valid, in accordance with certification archive management requirements. Information beyond the retention period is deleted or anonymised.

6. Your rights

You may at any time request access to, correction of, supplementation of or deletion of the personal information you have submitted, and you may withdraw your prior consent. How to do so:

• call 189 2741 1650 (same number on WeChat) or 0755-86370560
• email service@ctlc.com.cn

After receiving your request, we will within 7 business days process it and reply. Withdrawal of consent does not affect processing carried out before the withdrawal.

7. Information security

We protect data through measures including graded account permissions, back-office access auditing, regular database backups and site-wide HTTPS encryption. Please understand, however, that no internet transmission can be guaranteed absolutely secure; do not enter sensitive information unrelated to certification (such as ID card numbers or bank account numbers) in your messages.

8. Minors

This site is intended for corporate clients and product owners; we do not provide services to minors and do not actively collect information about minors.

9. Changes to this policy

When this policy is updated, we will revise the “Effective date” on this page. Where material changes are involved, we will post a prominent notice on the site.

10. Contact us

Shenzhen CTLC Testing Technology Co., Ltd. · Address: 7F, Building 7, Zone A, Bao'an Internet Industry Base, Xixiang Subdistrict, Bao'an District, Shenzhen · Tel: 0755-86370560 / 18927411650 · Email: service@ctlc.com.cn