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![]() The Group have 4 subsidiary company (Hebei haihao Group Yaohua Seamless Steel Pipe Co.,Ltd, Hebei Yaosheng Petroleum Special Pipe Co.,Ltd,Hebei Haihao High Pressure Flange Pipe Fittings Group Co.,Ltd,Hebei Haihao Group Cangzhou Metal Material Co.,Ltd) especially manufactures steel pipe, pipe fittings and have special department to export our produces. There are 786 employees, in which 85 engineers, 98 assistant engineers and 136 technicians. Having 24 advanced production lines, fine technology and advanced test ability, the three branches can manufacture serial pipe and pipe components of high, medium ,low pressure that applying with international and national standards, such as seamless steel pipe,spiral steel pipe,straight seam... [Details] |
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