... decoration, corrosion resistance etc.Tianjin Haoyou Industry Trade Co., Ltd.,Tianjin Haoyou Industry Trade Co., Ltd., founded in 1993, is a subsidiary company of ... STEEL COIL, PRE-PAINTED GALVALUME STEEL COIL, GI PIPE, WELDED PIPES, SEAMLESS PIPE, etc.*Mainland - Manganese ore and chemical products, like ...