... Ltd., founded in 1993, is a subsidiary company of Tianjin Materials and Equipments Group Corporation (TMEGC, former Bureau of ... 69th among the top 500 enterprises of China in 2007.)Tianjin Haoyou mainly deals with steel product, coal, oil, ... Africa, Tailand, Singapore, Bangladesh and other countries*Export – Service:Manufacturing welded pipe and galvanized pipe, operating metal material trade, chain ...