Tianjin XinLianxin Steel Pipe Co., Ltd. is a professional manufacturer of galvanized steel pipe , high frequency welded pipe and hollow sections . Galvanized steel pipe with a hot or cold with a galvanized steel strip is blank after the cold bending shape made by the high-frequency welded hollow section steel section shapes; galvanized steel pipe are widely used in construction, fence, Greenhouse (Greenhouse Management), support tube, furniture, sports equipment, tents, fence, etc., can be ...