Tianjin Demetal International Trade Co.,Ltd.Was founded in 2013. There are about 20 employees, and among them 16 employees have CET-6 certificates or even better. The annual sales amount of the steel is nearly 100,000 tons. We specialized manufacturing ...

1) diameter 21.3-273mm A Hot dipped gal. steel tubes1) size:1/8" 1/4" 1 1/2" 3/4" 3/8" 2", 4" 5" 6" 8" 2) could be threaded and socketedB pre-galvanized tube, size: 15*15mm to 60*600mm,2) zinc coated ...