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Zhoushan Jinteng Machine Manufacture Co.,Ltd through more than twenty years development, has already became the biggest specilized in manufacturing the screw and barrel of plastics machine manufacturer.
Our company has equipped advanced technology and equipment for processing, test, as well as extended experience for design and high-level management.
We are professional screw and barrel manufacturer in China.
We have nitrided and bimetallic two types. The material we use is quality 38CrMoAlA (SACM645), the surface nitriding hardness is above HV900. We always have good co-operation with top famous company of world (CINCINATI, Austria & Krauss Maffei, Germany & Reimelt Henschel, Germany)
Our main produacts following:
Parallel twin-screw and barrel,specifications:PX-45/2~150/2,L/D=18~30
Conical twin-screw and barrel, specification: 45/100-92/188. For PVC,PE. 
Barrel and screw for Injection moulding machine, specifications: shot weight: 30-25000g, Diameter of screw, 20~200mm
Barrel and screw for single extruder, specifications: 15mm~300mm, L/D=15-45.Screws can be selected from ordinary, gradual, mutational, pinned, shielding, separating and exhausting types.  
Bimetallic screw and barrel, this type has corrosion and abrasion resistance than nitrided ones. Good for special plastics, such as engineering plastics, fluorine plastics, PPO and etc.

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