standard fasteners:
1 GB (GB) series fasteners, including internal circlip, external circlip, e type circlip, c type circlip, k type circlip, u type circlip, wave washers, saddle washer, disc spring washers, spring washers, conical washers, internal tooth washer, external tooth washers, internal teeth serrated lock washers, serrated lock washers, conical serrated washers, snap ring , wire snap rings

2. German standard (DIN), a series of fasteners, including DIN6796, DIN6797, DIN6798, DIN6799, DIN471, DIN472, DIN125, etc.

 3.Copper and copper alloy fasteners including retaining ring (1) beryllium copper , beryllium copper wave washer, beryllium copper saddle washers, beryllium copper internal and external teeth washers and other (2) toothed washer phosphor bronze, phosphor bronze gear such as washers, (3) copper washers, brass washers, etc.

 4 insulation gasket series (plastic fastener), including the graphite gasket of nylon, polyester film gasket, nylon pads, red (black) steel pad. Epoxy plate gaskets, plastic gaskets and other

5.Automotive Fasteners: card holder, gasket, reed nut, two-axis adjustment washers, two-axis left end rings, thrust washers in the planetary gear, wheel bearing retainer, rear wheel bearing retainer circlip, front and back doors handle bracket, etc.

6. Deep drawing parts: deep drawn motor parts , stainless steel drawings, brass drawings ,motor housing, etc.

7.stamping parts: steel stampings, stainless stainless steel stampings, brass stampings, etc.