Zhejiang Zhong Yang Screw Manufacturing Co., Ltd.

No. 8, LiuHang Rd.,Xihou Industrial Park, JinTang Town, 316032 Zhoushan
Telephone +86 580 8055067
Fax +86 580 8055069

This company is main exhibitor of


Hall map

K 2016 hall map (Hall 8b): stand C25

Fairground map

K 2016 fairground map: Hall 8b

Our range of products

Product categories

  • 03  Machinery and equipment for the plastics and rubber industries
  • 03.10  Parts and components
  • 03.10.001  Screws

Our products

Product category: Screws

Product Information

Our main products are screws and barrels for plastic and rubber machinery.


Single screw and barrel
Injection screw and barrel
Conical twin screw and cylinder
Parallel twin screw and cylinder
Bimetallic screw and barrel
Planetary screw and barrel
Rubber screw and pin barrel
Screw element and and segmented barrel
Bulking machine screw and barrel

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Product category: Screws

Single screw and barrel for extruder

Specification: Screw Diameter: Ø15- Ø300 L/D ratio: 15-46 Product classification: Aiming at different plastic products the screw can be chosen from: general type, pin type, barrier type, separation type, and vented type, etc.

Application: ABS, PP, PE, PA66, LCP, PC, EVA, PS, U-PVC, PVC, PU, etc

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Product category: Screws

Parallel twin screw and barrel

Specification: Diameter: Φ45mm-φ200mm L/D ratio: 16-35 The compression ratio of screws can be designed according to different products and ingredients

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Product category: Screws

Rubber screw and barrel

Specification: Diameter of pin screw and barrel: Φ75mm-φ200mm Diameter of cold feed or hot feed screw and barrel: Φ30mm-φ300 mm L/D ratio:12-18

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Product category: Screws

Planetary screw and barrel

Technics: Heat treatment
Nitriding treatment

Technical parameter:
1.Nitrided layer depth:0.4-0.6mm
2.Nitrided hardness:850-950HV
3.Nitrided brittleness: Less than grade 1
4.Surface roughness: Ra0.4
5.Linearity of screw: 0.015mm

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About us

Company details

Zhejiang Zhongyang Screw Manufacturing Co.,Ltd is a professional and dedicated designer,manufacturer,rebuilder and distributor of screws,barrels and assembly parts for plastic and rubber machines.
Till now,we have served more than 100 customers from 33 different countries all over the world. And we are very confident we will have more and more customers because our teams always strive to complement and meet our customers’ needs in all aspects.

Please contact us for your screw and barrel solution.We welcome the opportunity to serve your needs.

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