Liaocheng City Xinglong Seamless Pipe Manufacturing Company Limited (thereafter refer to as XSP) which is cold drawn working line belongs to ZGL group , is a general steel factory engaging in pipe manufacturing and RD; Design, manufacture and installation of mechanical equipments; international trade. During the 8-year developing period, XSP has established branches and manufacturing and RD centers in whole North China. Pursuit to the tenet on serving clients by credit, satisfying clients requirements by high-quality service and product, XSP is looking forward to cooperating with clients around the world.