Fabricant et fournisseur de Tuyau en acier sans soudure, raccords de tuyauterie, bride, vanne, coude, té, croix, weldolet, réducteur, courbe de la Chine, offrant Specializing in The Production of Pipe Fittings, Tee Pipe Fittings, Source Factory, The Source Factory Processes and Produces High-Quality Carbon Steel Seamless Steel Pipes, ASTM A106 Gr. B Carbon Steel Seamless Pipe - High Pressure Resistant for Chemical/Steel Plant de qualité etc.