Steel pipe, specializing in the production of various specifications and standards of seamless pipe, seamless steel pipe, alloy pipe, boiler tube, galvanized steel pipe, precision 16Mn, Q345B pipe, seamless steel pipe, welded pipe, spiral pipe, stainless steel pipe and other products, there are nearly 2000 kinds of specifications. Can be customized for users of various specifications of the various specifications of the non - grade steel