Zhangjiagang Zhongyuan Pipe-making Co.,Ltd. is a professional Manufacturer. Our main products series include high-frequency tube mill,steel tube making machine,HF steel tube mill. Most of our products have obtained International Approvals like ISO9002 etc. With the advanced production facility, strong technical ability and professional production capability, we're sure that we can supply customers with the high quality and best design.Main Export Markets:South America, Southeast Asia, Eastern Asia, Mid East, Africa.