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Shandong Zhongzheng Steel Pipe Manufacturing Co.,Ltd is one of best chinese seamless steel tube manufacturers and exporters who owns ISO9001:2008,API5L,API5CT quality management certificate, our main ...
Xinyuantai Steel Pipe Group Co.,ltd covers an area of 800,000 square meters, including 128,000 square meters workshops. The group have 1 ERW steel pipe production line, 8 flying-welding submerged arc ...
Our company is the production, manufacture, export into a form of group companie.The main businese covers the scientific research and manufacture of the petroleum drilling equipment, oil field equipme ...
Hebei Honry Steel Pipe Co.,Ltd(www.honrytube.com) is one of the largest manufacturers of steel pipes and pipe fittings in China.Our company specializes in producing various carbon steel pipes,pipe fit ...
Threeway Steel International Co. ,Ltd is a fast growing manufacturing company in the field of producing and marketing of high quality steel tube for the construction and allied industries engaged in s ...
Yantai Saierruisi International trade Co., Ltd lies in the beautiful coastal city-Yantai. We are famous as manufacturer and exporter of steel tubes that are used as raw materials in all the world impo ...
