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The company has the ISO9001-2008 Quality System Certification, API certification, Pressure Pipelines of Special Equipments Manufacture License of P. R. China, Environmental Management System Certification, Occupational Health and Safety Management System Certification, And our company has won the Contract and Trustworthy Enterprises of Shandong Province, and supplier access card of China National Petroleum Corporation, etc.

Our company has three production lines of seamless steel pipe perforation units, five production lines of cold drawing, five production lines of hot-rolled, four production units of the thermal expansion, two production lines of double-sided submerged arc spiral pipe, while has a galvanized steel processing plant. The seamless pipe diameter ranges are10mm-426mm, wall thickness ranges are2mm-80mm. According to customer requirements, we also can thermal expansion of diameter of219mm-1020mm, wall thickness of6mm-60mmof the seamless steel pipe, and thermal expansion of diameter of273mm-3600mm, wall thickness of6.0mm-30mmof the double-sided submerged arc welding of spiral steel pipe