Ningbo Weishun Engineering Machinery Spare Parts Co., Ltd. is one professional factory of engineering machinery high strength fasteners enterprise,the grade is above of 10.9, which adopts hot forging and quenching.

Products cover knife angle fastener, crawler board fastener, track shoe fasteners, plow fastners, tooth block fastener? inside and outside heavy duty fastener -----bolt,nut,pin and washer, retainers and locking plate,used for the Cat series, Komatsu series,Hyundai series,Hitachi series,Kobelco Series,Sumitomo series (Bulldozer, excavator, roller, loader, crane, bucket, grader,ripper, paver and so on.) bucket pin

We supply with the items meet GB ?ISO?DIN?BS?ANSI standard.
We can do OEM per your request too, we have done OEM for foreign customers for more than 6 years.