RAW MATERIAL GUARANTEE -Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.

RAW MATERIAL GUARANTEE

^{The steel pipe manufacturing raw materials of the company come from HBIS,Shougang, Baotou Steel, xintiangang, China Railway, Rongcheng steel, Jinxi steel and other large-scale well-known steel manufacturing enterprises in China. The products are from Shougang Group, Baotou Steel Group, new Tiangang Group, Cangzhou Iron and steel equipment manufacturing materials, Rongcheng iron and steel, Jinxi iron and steel and other global large-scale well-known steel manufacturing enterprises.}