HEBEI XINGFENG STEELPIPE CO.,LTD

 & have spent Seamless steel pipe is a hollow section, no seams around the circle, square, rectangular steel. Seamless steel tube is made from ingot or solid billet after perforation capillary, then through hot rolling and cold rolling or cold dial. Seamless steel pipe is hollow section, a large number of used for conveying fluid pipe, steel pipe and round steel compared with the solid steel, the bending torsional strength phase