Wenzhou huagang hardware co.ltd who already passed the certificate is the leading company in hardware field in the domestic.We are expert in producing standard fasterners & parts of Mechanical and Electrical equipment . Now we are mainly selling retaining rings for bores and shafts& E rings&rings for shoulder&high strengthen plain washers&grip rings&spring washers&stamping washers etc. And we can also manufacture according to customers' sample or design . Now it is welcome that every customers from home and abroad to build a good coopetation with our company in future.