Zhejiang Tiangong Fastener Co., Ltd. has complete testing equipment. The company maintains a long-term and stable cooperative relationship with Haiyan national standard parts testing center and national high and low voltage electrical equipment quality supervision and inspection center to achieve full coverage of fastener detection ability. The main detection contents of the company's testing center include: rapid detection of element content of raw materials, mechanical property test of raw materials, accurate measurement of product size, Rockwell hardness test of products, Vickers hardness test of products, decarburization, carburized layer detection, metallographic analysis of product structure, destructive torque test, impact torque test, hydrogen embrittlement test, product coating thickness test, ROHS harmful products The methods include element spectrum detection, hexavalent chromium water boiling method, salt spray performance test of product surface protective layer, etc.
