Gangyannake Testing Technology Co., Ltd. (hereinafter referred to as "Gangyannake", stock code: 300797), its predecessor originated from the Steel Industry Test Institute of the Ministry of Heavy Industry in 1952. It is the cradle of my country's metallurgical analysis and testing technology and a state-owned asset of the State Council. The analysis and testing industry platform (secondary unit) belongs to China Steel Research Technology Group Co., Ltd., a central enterprise directly under the jurisdiction of the Commission. The company is headquartered in Beijing, with R&D and production bases and testing laboratories in Beijing, Shanghai, Shandong, Sichuan, Jiangsu, Liaoning, Hunan, Shaanxi, Hebei, and Germany, and has direct marketing and after-sales service outlets covering the whole country, with its main services. Or the products cover inspection services, certification and evaluation, analytical instruments, standard substances, lossless equipment, capability verification, metrology and calibration, corrosion protection engineering and products, as well as other inspection extension services, providing customers with complete and convenient one-stop comprehensive solutions. .

The company is a professional testing institution in the domestic steel industry and one of the testing and research institutions with a relatively complete range of business categories and strong comprehensive strength in the field of metal materials testing. The company has four national testing centers: "National Steel Materials Testing Center", "National Steel Product Quality Inspection and Testing Center", "National Metallurgical Industrial Steel Non-destructive Testing Center", "National Advanced Steel Materials Industry Measuring and Testing Center", and "National New Material Testing and Evaluation Platform—Iron and Steel Industry Center”, “National and Local Joint Engineering Laboratory of Metal New Materials Inspection and Characterization Equipment”, “Industrial (Special Steel) Product Quality Control and Technical Evaluation Laboratory”, “National New Material Testing and Evaluation Platform (Suzhou Regional Center)" Four national science and technology innovation platforms. Two national scientific observation and research stations "Qingdao Seawater Atmospheric Environmental Material Corrosion National Field Scientific Observation and Research Station" and "Golmud Salt Lake Water Environmental Material Corrosion National Field Scientific Observation and Research Station". The company has strong technical strength and high international mutual recognition. The company has many qualification certifications such as NADCAP, COMAC, China Commercial Development, China Aviation Development, Rolls-Royce, Honeywell, Ford, etc.

The company is also the leading unit of the China Emergency Analysis and Testing Platform Metal Sub-Platform, a member unit of the Capital Science and Technology Condition Platform New Materials Field Platform, a technical support unit for the Beijing Production Safety Accident Investigation, and a core member of the Zhongguancun Open Laboratory.

The company has a high position in the industry. In the field of third-party testing services, the company is the secretariat unit of the China Metal Society Analytical Testing Branch and the Non-Destructive Testing Branch, the vice chairman unit of the China Anticorrosion and Protection Society, the vice chairman unit of the China Analytical Testing and Evaluation Alliance, and the initiator of the China New Materials Testing and Evaluation Alliance With the vice chairman unit, the initiator of the Beijing Materials Analysis and Testing Service Alliance, the director unit of the Zhongguancun Materials Testing Technology Alliance (CSTM), etc.; in the field of detection and analysis instruments, the company is the vice chairman unit of the China Instrument Industry Association, etc.; in the capacity verification service In the field, the company is the Secretariat of the CNAS Laboratory Special Committee Capability Verification Professional Committee, the Chairman's Unit of the CUPT Capability Verification Alliance, the National Standard Verification Point (New Steel Materials) Unit, etc. In the field of metrology and calibration services, the company is a national steel material measurement station unit and a secretariat unit of the National Carbon Peak and Carbon Neutral Measuring Technical Committee for Steel Measuring Sub-Technical Committee; at the same time, the company is a national steel standardization technical committee for the determination of steel and alloy chemical composition of steel and alloys; Technical Committee Secretariat.