... Haoyou Industry, founded in 2003, is a subsidiary company of Tianjin Materials and Equipments Group Corporation (Tewoo Group, former Bureau ... billion and ranked 57th among the top 500 enterprises of China in 2010.) Tianjin Haoyou mainly deals with steel product, coal, ... and steel pipe . We are also the first-class agent of Baosteel, Capital steel (shougang), An steel , Ben steel, WISCO, ...