building materials killed carbon steel pipe black annealing tubes made in China

 Tianjin Ruijie Steel Pipe Limited Company is a large steel pipe production enterprise in north China, located in largest steel pipe production base of China in daqiuzhuang village, jinhai county ,Tianjin .The company mainly produces spiral steel pipe, and straight seam steel pipe,square pipe,welded steel pipe, galvanized pipe as a supplement. We can produce various materials of steel pipes, with a complete range of specifications. We can supply from stock all the year.Besides, various sizes of steel pipes can be processed and customized as required.

    The company has 4 advanced domestic spiral steel pipe production line. The products are mainly used in transport-pipeline of oil and nature gas,oil well piping, oil well casing pipe, industry, gas supply, heat supply, oil supply and building hardware and so on.