Tianjin Bao Steel Trade Co., Ltd. is a warehouse production and processing operation in one seamless steel pipe, stainless steel pipe of large enterprises, annual sales Chengdu Iron and Steel Group, Metallurgical Steel Group, Baotou steel mill, Baosteel Group, Anshan Iron and Steel Group, Tianjin Grand seamless ,鮫퀼景Steel, Wuxi Steel, Hengyang Steel and other major steel production of seamless stee