• Zhejiang Dingxin Steel Tube Manufacturing Co.,Ltd.

    Liuli Industrial Park,haiyan,Zhejiang,China,314301 Jiaxing, Zhejiang

    Product range:Cold-drawn and Cold-rolled seamless precision steel tubeMain Application: ?Auto-parts ?Hydraulic and pneumatic cylinder?Pre-honed tubes?Drilling Main Standard?ASTM A519 /DIN2391 EN10305-1
  • Shanghai Credit Steel Co.,Ltd

    NO.333 jingang Road, Pudong, Shanghai China Shanghai, Shanghai

    CDS honed steel tube specially made for cylinders, which has high precision requirement on the material. The we inside diameter tolerance can be as tight H7-H9, surface finish Ra 0.3 Micron or better. Straightness between 0.2-0.3mm/meter. ID: 30-1200mm, ...