Shanghai iron and steel trade Co., Ltd. Qiangzuo wholesale distribution of screw steel, wire rod, plate, the groove angle, galvanized plate, hot and cold plate, plate, seamless pipe, welded pipe, galvanized pipe, steel, container plate, flat iron, boiler plate, low alloy best-selling consumer market, among consumers enjoy a higher status, the company with a number of retailers and agents to establish a long-term stable relations of cooperation. Shanghai Qiangzuo steel trade limited distribution of screw steel, wire, plate, the groove angle, galvanized plate, hot and cold plate, plate, seamless pipe, welded pipe, galvanized pipe, steel, container plate, flat iron, boiler plate, low alloy, variety complete, the price is reasonable.