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.

Wastewater drug testing is a method that detects the concentration of drug metabolites in domestic wastewater to macroscopically assess the drug situation and abuse scale in a specific region, and can even trace the location of clandestine drug laboratories.
As a third-party testing institution, relying on our professional laboratory, we can provide public security authorities with full-process technical support from sample collection, precise analysis, to issuing legally binding reports, serving multiple scenarios such as case investigation, community-based drug treatment supervision, and regional drug situation assessment.
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. We have a high-quality professional technical team and are equipped with internationally leading testing instruments, ensuring the accuracy and reliability of test results, and providing solid technical support to regulatory authorities.
3. As an authoritative third-party testing institution, the technical services and reports we provide adhere to the principles of impartiality and objectivity, possessing a high degree of credibility, and can serve as a powerful basis for regional drug situation assessment and case investigation.
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