Our company mainly produce flat washers, spring washers, nut, screw and other mechanical parts in kinds of standards, specifications and materials(A2,A3,A4, Brass and so on ),most of materials are imported from South Korea, USA, and Japan and so on . Our company has the import-export license, and products have been passed ISO9001, in addition we have built business relationship with many companies in Europe, USA, and East Asia.