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Tianjin Doublewin Metal Material Co., Ltd. Our company was established in 2007 in the famous steel pipe production zone in China. Doublewin's metal material sector has substantial experience in copper bushing, steel wire, steel tube and steel pipe production. Our products include medium and small diameter hot-rolled seamless tube, cold-rolled and cold drawing seamless tube, medium and large diameter high frequency ERW pipe, large diameter SSAW pipe, galvanized pipe, insulation tube, anti-corrosion tube, oil casing pipe, etc. Our company integrates product development, processing and inspection, products sales, etc., and implements the throughout-process quality control. DoubleWin has been growing rapidly by integrating multiple product lines and pursuing synergetic development along with the well-defined market orientation. Doublewin has always taken it as first priority to meet customers' needs and is also constantly looking into customers' specialized demands. We believe the best way for Doublewin's growth is to grow together with our customers by offering truly differentiated products and professional services. ||Less|||||| |公司档案