1) Material:carbon,alloy
or stainless steel 2).high quality Forgings 3) What you want ... are what we pursuit Productroller shaftCertificateISO9001 :2000MaterialCarbon,alloy
or stainless steel as you requestTechnicsopen die forgingMachining servicesforging, heat treatment ... products.
All the materials are according to GB, JIS, ISO, ANSI, ASTM, BS, DIN, etc. standard, which can meet the ISO9001 ...