screw main design:gradient type,mutant,PM separated type,flow divide type,barrier type,vacuum exhaust type,combination,flexibility,high speed type,ect.

Material:High quality 38 crmoala,High quality SACM645; High quality SKD11; High quality SKD61; High quality meterials,such as 9 cr18mov after quenched and tempered,forming.the surface can be heating treatment like nitride plating hard flipping and spray weld hard alloy,etc.Product has high wear restance,corrosion resistance and long service life,etc.Widely used in all kinds of rubber and plastic raw materials,such as: PE，PP，PVC，PS,ABS,PA,POM,PC,PSV,PTFE,PVR,PR,UP,PEC,PF,VF,MP,PMMA,PET,PBT,PPS,MPPO,PI,LCP,and so on

Appeared to many machines provide a complete set of screw and barrel,for example Engel,Davis-standard,Weber,Bersorff,Wittann Battenfeld,Cincinnati,Nanrong,Haitian,Chenhsong,Japan’s Sumitomo,sumida,liansu,horng chii,major steel,yuan feng,male mold plastic machienery company.