With annual output of more than 1000,000tons, we can supply various kinds of light rail, heavy rail, crane rail, grooved rail according to different international standards such as GB, ASTM, BS, UIC, JIS, EN standard. We have a warehouse near Shanghai por
Cold drawn seamless steel tubes Introduction: cold drawn steel pipe with drawing, extrusion, perforation and other methodsof production of the whole steel pipe surface without joint of steel pipe. It is a round, square, rectangular steel with hollow secti