Quality Control Measures and Goals Stable Raw Material Supplies: We use raw materials procured from steel industry giants such as Wuhan Iron and Steel Corp., Shougang Group, Taiyuan Iron and Steel Co., Hangzhou Iron & Steel Group Company, Baoshan Iron & Steel Co. (Baosteel), Yongxing Iron & Steel Company, etc. We are a manufacturer committed to the production of steel products and the sales of construction steel. With a steel products plant and a stainless steel welded pipe plant under us, we specialize in the production and sales of stainless steel products. Aiming at providing services that.