Through the
deformation "piercing + drawing expansion"and"extrusion+ cold rolling/
cold expansion", we successfullyproductedΦ457 * 25, Φ457 * 28, Φ618 * 28, Φ610 * 40 and
other large diameter thick wall pipe, for now these have reached
more than 500 tons for petrochemical industry.
联系我们
联系人:Mr. Kong
公司名称:CTRAST INTERNATIONAL CO., LTD
办公地址:Unit 1607, No.211, Xinjian Road,, Taiyuan City, Shanxi Province,030009