Screw Barrel Manufacturer | Custom Solutions

About Jinsheng Bimetallic

Established in 2004 in Zhoushan, China, Zhoushan Dinghai Jinsheng Bimetallic Plastic Machinery Factory is a large-scale, comprehensive manufacturer specializing in screw and barrel systems for injection molding and extrusion machinery.

21+

Years Experience

Over two decades of excellence in bimetallic screw and barrel manufacturing.

06+

Production Lines

Advanced manufacturing lines ensuring consistent quality and high output.

90,000+

m² Cover Area

Extensive facility supporting large-scale production and R&D operations.

80+

Experienced Staff

Skilled engineers and technicians dedicated to innovation and precision.

24th

Customer Service

Responsive support ensuring seamless communication and after-sales service.

80+

Exported Countries

Global reach with trusted partnerships across continents.

Our Materials & Expertise

We utilize premium materials including #45 steel, 40Cr, 38CrMoAlA, 42CrMo, SKD11, SKD61, and high-temperature alloys to ensure durability and performance under extreme conditions.

Our product range includes bimetallic barrels & screws, conical and parallel twin screws & barrels, single screw & barrel, rubber screw & barrel, planetary screw & barrel, and components for injection molding and extruder machines.

Bimetallic Technology Nitriding Treatment Custom Design High Wear Resistance Corrosion Protection

Our Product Range

High-performance screw and barrel systems engineered for reliability, efficiency, and long service life across diverse industrial applications.

Screw Barrel

Bimetallic construction for superior wear resistance in injection molding and extrusion applications.

Material: 38CrMoAlA, SKD61 | Treatment: Nitriding

Spiral Groove For Barrel

Enhanced feeding efficiency with precision spiral grooves for improved material transport.

Application: High-output extruders | Design: Optimized pitch

Parallel Twin Screw

High mixing performance twin screw system for compounding and reactive extrusion.

Configuration: Co-rotating | L/D Ratio: 40:1

Parallel Twin Barrel

Bimetallic barrel designed for parallel twin screw extruders with excellent thermal stability.

Alloy: High-temp resistant | Bore: Precision honed

Injection Machine Screw

High-precision screw for injection molding machines with optimized compression ratio.

Material: 40Cr | Finish: Polished | L/D: 20:1

Extruder Screw Barrel

Complete screw and barrel set for single-screw extruders with long service life.

Application: PVC, PP, PE | Treatment: Nitrided & polished

Conical Twin Screw Barrel

Compact design for high-torque applications with excellent self-cleaning properties.

Angle: 17° | Material: Bimetallic | L/D: 30:1

Film Screw Barrel

Optimized for film extrusion with uniform melting and low melt temperature variation.

Design: Barrier type | Application: BOPP, PE film

Rubber Screw Barrel

Designed for rubber processing with high mixing performance and thermal stability.

Types: Hot & Cold Feeding | Material: Wear-resistant alloy

Planetary Screw

Advanced planetary design for ultra-fine dispersion and high output in compounding.

Configuration: Multi-satellite | Application: Masterbatch

High Speed Screw

Engineered for high-speed injection molding with balanced torque and shear control.

RPM: Up to 1500 | Material: High-strength alloy steel

Recycling High Speed Screw

Robust design for processing recycled plastics with high contamination tolerance.

Feature: Abrasion-resistant | Application: PCR, post-industrial

View All Products

Why Choose CNScrewBarrel?

We combine advanced engineering, strict quality control, and customer-centric service to deliver unmatched value.

Quality Certified

ISO9001:2008, ISO14000, GJB9001-2001A compliant manufacturing processes ensure consistent quality and safety.

Fast Lead Time

Efficient production planning and logistics ensure quick turnaround without compromising quality.

Competitive Pricing

Direct factory pricing with no middlemen ensures cost-effective solutions for your business.

Custom Solutions

Tailored designs based on your machine specs, material, and processing requirements.

Frequently Asked Questions

Get answers to common inquiries about our products and services.

What materials do you use for screw and barrel manufacturing?

We use high-grade materials including #45 steel, 40Cr, 38CrMoAlA, 42CrMo, SKD11, SKD61, and high-temperature alloys depending on application requirements.

Do you offer custom screw designs?

Yes, we provide full customization based on your machine specifications, material type, and processing conditions. Our engineering team works closely with clients to optimize performance.

What is the typical lead time for orders?

Standard lead time is 25-35 days depending on complexity and order volume. We prioritize fast delivery while maintaining strict quality standards.

Which industries do you serve?

Our products are used in plastic injection molding, extrusion, recycling, rubber processing, film production, pipe manufacturing, and more.

Do you provide after-sales support?

Absolutely. We offer technical guidance, wear analysis, replacement recommendations, and responsive customer service to ensure long-term satisfaction.

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