China Testing & Certification International Group Co., Ltd. (CTC, Stock Code 603060) originated from the testing and certification business of China Building Materials Academy in the 1950s. After 70 years of unremitting efforts and persistent pursuit, the company has formed five business categories: detection and testing, certification and evaluation, testing instruments and intelligent manufacturing, measurement and calibration, scientific research and technical services, committed to providing customers with technical services and comprehensive solutions of detection and testing, certification and evaluation, appraisal, consultation, training, and instruments and equipment in fields of quality, environmental protection, green, safety, health, and energy conservation.

Currently, common rapid drug testing methods include urine testing and saliva testing. Both methods have problems such as significant drug interference and difficulty in sample preservation. Hair drug testing technology can not only solve the problem of difficult urine collection but also avoid drug interference. It is an emerging "black technology" in drug control that has emerged in recent years. After drugs enter the human body, they circulate through the bloodstream into the hair follicles. The drug parent compounds and their metabolites are fixed by the keratin in the hair and stably retained within the hair. Through segmental analysis, the drug use history of the tested individual can be deduced, providing a scientific basis for public security authorities to determine drug use behavior.
1. Drug testing for national public officials (including civil servant recruitment, government agencies and public institutions, mass organizations, state-owned enterprise employees, etc.).
2. Drug testing for personnel engaged in public service industries (such as long-distance bus drivers, public bus drivers, taxi drivers, etc.).
3. Drug testing for high-risk drug use populations (such as personnel in entertainment venues like internet cafes, bars, KTVs, as well as individuals undergoing community-based drug treatment and community rehabilitation).
1. In early 2024, our organization was successfully selected for the "Passing List of Hair Laboratory Testing Capability Comparison" organized by the Anti-drug Intelligence and Technology Center of the Ministry of Public Security for the 2023 Hair and Wastewater Laboratory Testing Capability Comparison.
2. Our organization has independently developed a third-party hair registration information platform and established a strong information database.
3. Designed and developed mobile sampling vehicles with strict confidentiality measures to ensure that sensitive information is not leaked during the sampling process and to allow flexible hair sampling at different locations.
4. Based on the public security industry standard "Detection of 55 Abused Drugs and Metabolites in Hair by Liquid Chromatography-Mass Spectrometry", we have explored and verified a 10-in-1 single-sample pooled testing method using laboratory hair mass spectrometry, maintaining a leading position in laboratory testing capabilities.
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