Changshu Cowin Railway Materials Co., Ltd. Is one of the largest railway materials groups in China, in possession of 2 railway materials factories, which produce railway bolts, railway screw spikes, railway elastic clips, railway rubber and plastic products, and also railway machines, which are located in Changshu and Wuxi. With more than 200employees and 5 senior engineers certificated by CRM, 10 Junior engineers, we created miracles once and once again to resolve difficult problems of heat...
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