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Precision Screw & Barrel Manufacturing

Zhejiang Zhongyang Screw Manufacturing Co., Ltd. – Trusted supplier of high-performance screw and barrel components for plastic and rubber machinery across 40+ countries.

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Zhongyang Screw Factory

About Zhongyang Screw

With over 20 years of manufacturing experience, Zhejiang Zhongyang Screw Manufacturing Co., Ltd. has been a leading designer, manufacturer, and supplier of screws, barrels, and assembly parts for plastic and rubber machines since 2006.

Our 50,000㎡ state-of-the-art facility in Zhoushan, Zhejiang, is equipped with over 235 advanced CNC machines, bimetallic casting workshops, nitriding lines, and a full material testing laboratory to ensure the highest quality standards.

200+
Skilled Workers
40+
Countries Served
200+
CNC Machines
20+
Years Experience

Our Products

Nitrided Plastic Machine Injection Screw Barrel

Nitrided Injection Screw Barrel

High durability for injection machinery spare parts, ideal for precision molding applications.

Bimetallic Injection Screw Barrel

Anti-Wearing Bimetallic Screw Barrel

Wear-resistant design for injection molding machines, ensuring long service life.

CPP Film Extruder Screw Barrel

CPP Film Extruder Bimetallic Barrel

Optimized for CPP film and PVC extrusion processes with enhanced corrosion resistance.

Film Blowing Screw Barrel

Film Blowing Screw Barrel

Bimetallic construction for high-output film blowing extrusion systems.

Plastic Extruder Screw

Plastic Extruder Single Screw

Reliable single screw design for general plastic extrusion applications.

Injection Molding Machine Screw

Injection Molding Machine Screw

Precision-engineered screw and barrel for high-performance injection molding.

Screw Barrel for PP Woven Bags

Screw Barrel for PP Woven Bags

Specialized design for polypropylene woven bag production lines.

Twin Conical Screw Barrel

Bimetallic Twin Conical Screw Barrel

High-output solution for WPC (Wood-Plastic Composite) extrusion.

Extruder Single Screw for Sheet

Single Screw for Sheet Extruder

Designed for high-precision sheet extrusion with stable output.

Wear Resisting Single Screw

Wear Resisting Single Screw

Hardened surface treatment for extended life in abrasive environments.

Parallel Twin Screw Extruder

High Output PVC Parallel Twin Screw

Engineered for high-capacity PVC extrusion with excellent mixing performance.

Screw and Cylinder for Cup Production

Screw and Cylinder for Cup Production

Tailored for high-speed cup forming machines with consistent melt quality.

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Why Choose Zhongyang Screw?

20+ Years Expertise

Founded in 2006, we bring over two decades of focused experience in screw and barrel manufacturing.

Advanced Quality Control

Equipped with a professional physical and chemical lab for rigorous material and performance testing.

Global Reach

Our products are trusted in over 40 countries, serving diverse industries from packaging to construction.

Advanced Manufacturing

Over 200 sets of CNC equipment, PTA welding, nitriding, and bimetallic casting capabilities.

Bimetallic Technology

Superior wear and corrosion resistance using advanced bimetallic barrel casting techniques.

Customer-Centric Service

"Quality oriented and service foremost" – our philosophy ensures long-term partnerships.

50,000+
㎡ Factory Area
235+
CNC Machines
200+
Employees
40+
Countries Served

Frequently Asked Questions

What materials are used in your screw and barrel production?

We use high-grade alloy steels such as 38CrMoAlA, 42CrMo, and specialized bimetallic alloys with tungsten carbide or iron-based coatings for enhanced wear resistance.

Do you offer custom screw designs?

Yes, we provide OEM and ODM services. Our engineering team can design and manufacture screws tailored to your specific extrusion or injection requirements.

What is the typical lead time for orders?

Standard products ship within 15–20 days. Custom orders typically take 30–45 days depending on complexity and quantity.

Which industries do you serve?

Our products are used in plastic extrusion, injection molding, film blowing, pipe production, WPC, recycling, and rubber processing industries.

Do you provide technical support?

Yes, our team offers installation guidance, troubleshooting, and maintenance recommendations to ensure optimal performance.

Get in Touch

Contact us for product inquiries, technical support, or custom solutions.

Contact Information

  • Name: Ms. Amanda
  • Phone: +86 13961851150
  • Tel: 86-580-8055067
  • Fax: 86-580-8055069
  • Email: amanda@zyscrew.com
  • WeChat/WhatsApp: +86 13961851150
  • Address: No.37 Xingang Fifth Road, High-tech Industrial Park, Dinghai District, Zhoushan, Zhejiang, China
  • Zip: 316031

Visit Our Official Website

For detailed product catalogs, certifications, and inquiry forms, please visit our official site.

Go to zhongyangscrew.com
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