保留的戒指

We found in 20 century 80s and have been more 20 years experience specializing in producing and selling of standard fastening ,punching parts. We pay attention to quality very much and purchase of material from big enterprise ,the products have passed check up and obtained certificate. The standard of products including GB,DIN,ANSI/ASME,ISO..including.retaining rings, retaining,rings(DIN471and472),.gasket,snap ring,wave spring wahser,bearing clip,lock washer,non-standard wahser,metal stamping part,flat washer,auto part,Automotive brake Annex,bearing,hardware,fasteners,taper washer,tooth washer,hose clamp,washer,e rings,we also making it according to your requirement .