Mayapple International Industrial an affiliated company of Shanghai DTW is specialized in tube industry . we have 3 boiler tube manufacturers and several cooperated pipe manufacturers . we have a strong knowledge in tube area and can supply the pipe with very "Chinese" price.with standard quality at the same time . Currently our scope including boiler tube ,galvanized seamless steel tube or weld tube .pipe used for oil industry .precision tubes used for hydraulic cylinder and idler etc. Want more information please go around the website .and leave message to us.