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 GBú¼DINú¼ANSI/ASMEú¼ISO...,we also making it according to your requirement . Main products including : 1.GB fastening: axes block washer,hole block washer,open block washer, undulated washer,saddle washer,taper washer,dentate washer,sawtooth fastening washer,fastening ring,pivot key,flat washer,wire block washer,etc. 2.DIN fastening : DIN471ú¼DIN472ú¼DIN6798ú¼DIN6799ú¼DIN6797 3.punching parts: Bearing clip,punching parts,pulling and elongate parts..... 4.Car punching parts: planet gear washer, half axes gear washer(suit for the car of EQ145ú¼ííEQ153ú¼EQ140íí1094ú¼ííCA151ú¼CA151ú¼). Depending on customer.