... specific requirement of customers .We have a high-precision computer controlled machining centers (CNC), high-precision surface grinding machine ... Ring.U-Ring., Oil Seal,PU oil seals , rubber flat washers, rubber Circles, Gaskets, engine parts and accessories,compression ... ,Certification: TS16949 ,NSF ,ACS .WRC ,FDA ,UL ,KTW,W270, ROHS, SGS ,ISO9002:2009, .Export Ratio: 51% - 60% Current Export Market: ...