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By certification 
1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(JIS SCM440)
1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(JIS SCM440)
Nitriding treatment
Electroplated hard-chrome finish
High frequency quenching
Spray bimetallic coating
Vacuum quenching
Equipped with thousands of professional staff and advanced technology and equipment, Shangwell is one of the leading manufacturers of barrel for injection molding machine in China. You can rest assured to wholesale cheap equipment from our professional factory.
