Changzhou Shengruihua Welding Equipment Co.Welcome to wholesale high quality piston rod,hydraulic cylinder,honed tube,precision mechanical shaft and cold drawn steel pipe for sale here from professional manufacturers and suppliers in China.Our factory offers the best quality products made in China with competitive price.Contact us for more details.Honed Tube----Cold Drawn Cylinder Tubes and HardHard Chrome Piston Tubes (HPK) Specification EN 10305-1 (former DIN 2391-2) Grade E355 (St 52),other materials on request .Delivery Condition:´ C + (BK) cold drawn hard + SR (BKS) cold drawn and stress-annealed + N (NBK) annealed normal .Finish Random lengths Cut lengths.Tolerances OD f7 -ISO 286 Part 2 .Outside diameter 35 to 140 mm NIMET Cold Drawn Seamless Mechanical Tubing (CDS) is a cold drawn 1020 steel tube.Produced from
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