Hanzi Industrial Shanghai Company is an ISO certified and Alibaba verified railroad fastening products supplier member. We have 6 strategies joint-venture factories produce Fishplate, Rail Clip, Screw Fasteners, Baseplate, Rubber Pad and Turnout . As an Alibaba Trade Assurance Member, it means you will get 100% payment refund up to Trade Assurance Amount if we can not meet agreed delivery and quality terms contained in the contract. It is a free service for both of us.  Thus you can place order to us with confidence. Hopefully to be your honest and trustworthy supplier in China.Thanks.