... 25MnSiLength: 6,8,9,12mDiameter: 8mm-32mmTianJin JIANGHAILONG steel Co.,Ltd, was founded in 2000, specializing in ... project and the export of building products, including deformed steel bars, wire products, hot rolled, cold rolled, ... with Tianjin Seamless Steel Tube Plant, Baotou Steel Pipe Plant, Chengdu Steel, Anshan Steel Pipe Plant, Baoshan Steel Pipe Plant and other steel pipe plants. And ...