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CHANGSHU COWIN RAILWAY MATERIALS CO., LTD is one of the largest railway materials groups in China, located in Changshu of Jiangsu province.With 6 railway materials factories, 5 senior engineers certified by CRM and more than 500 proficient employees. We have strong capability of supplying high quality and low price of railway fasteners like railway bolts, railway screw spikes, railway elastic clips, railway rubber and plastic and railway machines to worldwide customers .we have already served customers fr...
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