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Precision Screw & Barrel Manufacturing

Zhoushan Huarui Machinery – ISO9001 Certified Manufacturer of High-Precision Bimetallic & Nitrided Screws, Twin Screw Systems, Marine Shafts, and Industrial Components for Global Markets.

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About Zhoushan Huarui Machinery

Zhoushan Huarui Machinery Manufacturing Co., Ltd. is one of China’s leading manufacturers specializing in the research, design, and production of high-precision bimetallic and nitrided screws and barrels. With over two decades of experience, we serve industries including plastic injection, extrusion, chemical fiber, cable manufacturing, and shipbuilding.

We produce up to 600 sets of twin-screw and barrel systems annually, along with 8,000 sets of single-screw and barrel units. Our commitment to quality has earned us ISO9001 certification and the trust of clients worldwide.

600+
Twin Screw Sets/Year
8,000+
Single Screw Sets/Year
Screw and Barrel Twin Screw System Bimetallic Component Marine Shaft

Our Product Range

High-performance components engineered for durability, precision, and industrial efficiency.

Single Screw & Barrel

Single Screw & Barrel

Precision-engineered for extrusion and injection molding applications. Available in nitrided and bimetallic variants.

Extrusion & Molding
Parallel Twin Screw & Barrel

Parallel Twin Screw & Barrel

Ideal for high-output compounding and mixing. Designed for uniform wear resistance and thermal stability.

Compounding
Conical Twin Screw & Barrel

Conical Twin Screw & Barrel

Optimized for PVC processing and high-torque applications. Self-cleaning design with excellent mixing performance.

PVC Processing
Bimetallic Screw & Barrel

Bimetallic Screw & Barrel

Enhanced wear and corrosion resistance with dual-metal construction. Ideal for abrasive materials and high-temperature environments.

Wear Resistant
Gear Box

Gear Box

High-torque transmission systems designed for extrusion and injection machinery. Precision-machined for smooth operation.

Transmission
Heaters & Fans

Heaters & Fans

Efficient barrel heating and cooling systems to maintain optimal processing temperatures.

Thermal Control
Marine Stern Shaft

Marine Stern Shaft

CCS, BV, LR, DNV certified. Precision-forged for durability in marine propulsion systems.

Marine Grade
Rudder Components

Rudder Stock & Pin

Stainless steel and alloy components for rudder systems. Corrosion-resistant and high-strength.

Shipbuilding
Drip Irrigation Line

Drip Irrigation Tape Line

Complete production line for agricultural drip tape. High-efficiency extrusion system with precision control.

Agriculture
Screw Assembly Parts

Screw Assembly Parts

Custom-designed components including screw elements, mixing zones, and feed sections.

Custom Parts
Barrel Assembly Parts

Barrel Assembly Parts

Liners, heating zones, cooling jackets, and flange systems for modular barrel configurations.

Modular Design
Oil & Air Cylinders

Oil & Air Cylinders

Hydraulic and pneumatic cylinders for industrial machinery. High-pressure rated and leak-proof design.

Industrial Actuators

Why Choose Huarui?

ISO9001 Certified

International quality standards ensure consistent performance and reliability.

Global Exporter

71–80% of our products exported worldwide, trusted by international clients.

Rigorous Testing

Every product undergoes strict quality checks before delivery.

Just-in-Time Delivery

Punctual logistics and on-time shipment guaranteed.

20+
Years in Industry
600+
Twin Screw Sets/Year
8,000+
Single Screw Sets/Year

Frequently Asked Questions

What materials are used in your bimetallic screws?

We use high-alloy steels with a wear-resistant bimetallic layer, typically composed of tungsten carbide or iron-based alloys for superior durability.

Do you offer custom screw designs?

Yes, we provide OEM and ODM services. Our engineering team can design screws based on your specific processing requirements.

Are your marine components certified?

Yes, our marine shafts and rudders are certified by CCS, BV, LR, and DNV classification societies.

What is your production lead time?

Typically 30–45 days depending on order size and complexity. We ensure just-in-time delivery.

Get in Touch

For inquiries, quotes, or technical support, contact our sales representative directly.

Ms. Lin – Sales Representative

Mobile: +86 13575638315

Fax: +86-580-8805118

Website: www.huaruiscrew.com

Address: No.80 Dacheng Seven Road, Xingang Park, Zhoushan Economic Development Zone, Zhoushan, Zhejiang, China

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