... in industry made from low carbon steel or stainless steel split pinsHENGCHANG FASTENERS CO.,LTD ,founded in 1966 in yichang city ... lock washers,double spring lock washer,flat washer.cotter pins,split pins, spring pins, spring cotters, and lynch pins. It has ... usually used in automobile industry. Some famous auto-makers have long businesses with them. For example,DONGFENG AUTO,the biggest national ...