We make both precision stainless steel and AL cylinder tube according to DIN standard. We can make customerized cylinder tubes as well.The main scopes are honed tube cylinder,cold-drawn seamless pipes and high precision seamless tubes.

Diameter range:DN12 till DN320mm

Material:Aluminum, stainless steel,ST52,etc..

I.D:ISO H-8

Roughness:0.4 microns(max),average:less than0.2micron

Straightness:0.8/1000 or better

Shape:all kinds of shapes,including round and any other shapes required by the customers.