Tianjin Longshenghua Import & Export Trade Co., Ltd., which affiliates with Tianjin Huilitong Steel Tube Co., Ltd. is loacated in Tianjin Huayuan Industry Area.The business scope of our company is Seamless Pipe,Longitual-seam Welded Steel Pipe, Spiral Submerged Arc Welding tube,Square and Rectanglar Tube,Hot Dipped Galvanized Pipe, Galvanized Plate,Pickle Plate,Angle Iron,H Channel, Channel, U Channel and Prestresses Concrete Steel Strand. Among them, the production scale and the brand of Seamless Pipe, Longitual-seam Welded Steel and Spiral Submerged Arc Welding tube are in the leading place in such in the whole China....