... Beijing Startion Iron & Steel Co., Ltd ,which is a trading company based on the goods of International and Domestic.steel markets ... , Wuhan Mill, Ansteel Mill, Baosteel Mill ,Wuyang Iron & Steel Company, and so on. We are the largest agent of Wuyang ... , gas, oil etcMechanical seamless steel tubing: Applicable to the general structure, mechanical structure with seamless steel tubes. Standard GB/T8162 ...