spring lock washer DIN 127 DIN 128 double coil spring washer

HENGCHANG FASTENERS CO.,LTD ,founded in 1966 in yichang city, is the biggest manufacturer and exporter of industrial fasteners such as bolts,nuts,washers and pins in mid-china.,including hex bolts,hexagon socket head cap bolts,screws,nuts,spring lock washers,double spring lock washer,flat washer.cotter pins,split pins, spring pins, spring cotters, and lynch pins. It has more than 200employees and covers 20000square meters. The products are usually used in automobile industry. Some famous auto-makers have long businesses with them. For example,DONGFENG AUTO,the biggest national automobile group in china,took up 40% of all its selling in 2009.In 2010,their aim annual capacity is 10000T.As its up-class customers, the products must be controlled at a good condition. Since 2006,instead of the ISO9001, it has certificated the ISO/TS 16949 SYSTERM. In the past,the products were thought well abroad too.The company would like to cooperate with friends in the world, with their profess service and good quality Quality Assurance --HengChang purchases raw material from the famous company, like ShouGang Group,HanGang Group,etc. --HengChang is assigned as the supplier of DFAC,First Tractor,etc. --HengChang Have being introduced many advanced equipments,for example,The union volume cuts the reed machine from Japan,Electromagnetic induction heating furnace from TaiWan. --HengChang develops the advanced control system by cooperating with Three Gorges University, the Gezhouba Group. Development History --1966,yichang fasteners factory founded,as a member of china machinery department gaverment; --1994,our washers own "high quality product"; --2002,hcfasteners co.,ltd certified system ISO 9001; --2003,yichang fasteners factory renamed yichang city hengchang fasteners co.,ltd. --2003,producing lines optimized; --2006,hcfastener co.,ltd certified system ISO/TS16949:2002.