Perfect management system and reasonable production craft process is the guarantee of product quality.Every piece of product of Yongsheng Casting and forging has a series of quality assurance measures.Professional technical staffs strictly control,inspect every procedure,and manage all in accordance with the ISO9001-2001 Quality System,so that each product can reach the customers'request。
   Raw materials need to be checked one by one according to the material list,then tagged and piled up separately。
   Making chemical composition analysis and mechanical properties test on raw materials。
   After the roughcasts are qualified,we put them into warehouse through heat treatment,dividing material,standard and types.There is a special quality checker for each product's size,smoothness,cleanliness and so on in each proceding of machining.After finished goods are qualified,we put them into warehouse through anti-rust treatment,classification,and materials-division。