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.

Beijing Aodaqing Environmental Testing Co., Ltd. was established in 2004. It is a comprehensive and professional environmental quality testing service institution accredited by the Beijing Administration for Market Regulation and the Beijing Municipal Commission of Housing and Urban-Rural Development. It holds CMA and CNAS qualifications, as well as ISO 45001, ISO 14001, and ISO 9001 management system certifications.
Ecological and Environmental Monitoring:
The company has over 566 accredited testing parameters. Its testing scope includes 133 parameters for water conservancy and marine water supply and drainage, 147 parameters for water and wastewater, 84 parameters for ambient air and exhaust gas, 61 parameters for soil (environmental protection sector) plus 20 parameters for agriculture, animal husbandry, fishery, and forestry, 68 parameters for solid waste, 8 parameters for radiation, 11 parameters for noise and vibration, 19 parameters for oil and gas recovery and motor vehicle exhaust, and 15 parameters for other chemical products.
Environmental Damage Forensic Appraisal:
The company is an appraisal institution approved and established by the Beijing Municipal Bureau of Justice to handle environmental damage cases. It aims to improve the efficiency of handling various environmental violation cases, meet the needs of Beijing's judicial and administrative authorities in fact-finding for environmental pollution and ecological damage cases, and provide professional technical services for cross-examination and defense in the trial-centered judicial reform.
Radiation Health Category:
The company can engage in quality control and protection testing of radiodiagnostic equipment, external exposure personal dosimetry, and occupational hazard evaluation and technical consulting for employers.
Other Services:
Pest control, mobile monitoring equipment and technical services, refined watershed management, online monitoring equipment and operation and maintenance, soil pollution and environmental pollution investigation, pollutant discharge permit application and post-permit management, environmental protection project completion acceptance, environmental technology consulting services, etc.
Tel: Manager Lin 18513970600
Address: Room 601-602, 6/F, Building 3, No. 8 Liangshuihe Second Street, Beijing Economic-Technological Development Area, Beijing
Email: aodaqing@aodaqing.cn
Website: https://www.aodaqing.cn/
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