A perfect management system and reasonable production process are the guarantee of product quality. Every product from Hengchi company is guaranteed. After a series of quality measures, each process undergoes strict inspection by professional and technical staff. All products are managed by the ISO9000 quality management system, to make sure each product meets customer’s requirements.

　　Entering the factory, raw materials are checked against a list one by one, marked and stacked separately.

　　We do a chemical composition analysis of raw materials and a mechanical performance test.

　　After a blank passes inspection, a heat treatment is implemented and blanks are stored by material, standard, and category.

　　Special quality inspectors check the size, surface finish, and other details on each product in each machinery process.

　　When finished products pass the inspection, an antirust treatment is implemented and products are stored by classification and material.