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![]() The subordinate enterprises of Zhongshun Group are Tianjin Zhongshun Petroleum Steel Pipe Co., Ltd., Tianjin Fada Steel Pipe Co., Ltd., Tianjin Zhongshun Songhui Anti-corrosive Pipe Co., Ltd., Tianjin Jinfeng Industrial and Trade Co., Ltd. ERW Steel Pipe: Outside Diameter: 21.3-610 mm Wall Thickness: 0.5-22 mm Length: top 18 Meter (Without jointer) SSAW Steel Pipe: Outside Diameter: 219-3048 mm Wall Thic... [Details] |