1) 38CrMoAlA(JIS SACM645)

2) 42CrMo(JIS SCM440)

3) 9Cr18Mov

4) CW6Mo5Cr4V2

High quality alloy-steel

1) 38CrMoAlA(JIS SACM645)

2) 42CrMo(JIS SCM440)

3) 9Cr18Mov

4) CW6Mo5Cr4V2

Heat-treatment

Nitriding treatment

Electroplated hard-chrome finish

Spray bimetallic coating

Equipped with thousands of professional staff and advanced technology and equipment, Shangwell is one of the leading manufacturers of parallel twin screw and barrel in China. You can rest assured to wholesale cheap equipment from our professional factory.