Established on December 2007, Shanghai Baoyi International Trading Co., Ltd was established by Shanghai Shuangsheng Industry Trading Co., Ltd for exploring international market. Authorized with the right to handle import and export business, we are now the boiler pipe agent of Baosteel and Tianjin Pipe (Group) Corporation. Our business characterized by boiler pipe of Baoshan Iron & Steel Co., Ltd(manufactured by hot rolling mill of Baoshan Iron & Steel Co., Ltd Baosteel Branch, cold drawing machine of former Baosteel Group Shanghai Steel Tube Co., Ltd, hot rolling mill of former Yantai lubao steel pipe Co., Ltd and stainless steel tube unit of former Baoshan Iron & Steel Co., Ltd Special Steel Branch) , hot rolling carbon steel tube for high pressure boiler and alloy tube for high pressure boiler of Tianjin Pipe(Group) Corporation