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Zhoushan Dinghai Jinxing Plastic Machinery Factory – over 30 years of expertise in producing high-performance extruder screws, injection molding components, twin screw systems, and bimetallic solutions trusted by more than 100 leading manufacturers worldwide.
Founded over thirty years ago, Zhoushan Dinghai Jinxing Plastic Machinery Factory has evolved into one of China’s most reputable manufacturers specializing in screws and barrels for plastic and rubber machinery.
Our “Jinxing” brand is recognized across the industry for its durability, precision engineering, and consistent performance. With advanced equipment, strict quality control, and a commitment to innovation, we serve over 100 major injection molding and extrusion companies globally.
30+
Years of Experience
100+
Global Clients
High-precision screw and barrel systems engineered for maximum efficiency, wear resistance, and longevity in demanding industrial environments.
Precision-engineered single screw systems designed for optimal melting, mixing, and conveying in plastic extrusion applications.
High-strength components built for repeated high-pressure cycles, ensuring consistent shot quality and long service life.
Ideal for compounding, devolatilization, and high-output extrusion with superior mixing and self-cleaning capabilities.
Enhanced wear and corrosion resistance with a hardened alloy overlay for extended operational life in abrasive materials.
Compact design with variable channel depth for efficient feeding, compression, and metering in PVC and specialty polymers.
Designed for high-viscosity rubber compounds with excellent thermal stability and shear control.
Customizable screw designs for specific material processing needs, including barrier, wave, and mixing sections.
Replaceable wear sleeves for barrels, reducing maintenance costs and downtime during repairs.
High-precision bored and honed barrels with optional nitriding or bimetallic linings for enhanced durability.
Comprehensive range of nozzles, check rings, heater bands, and other critical components for complete system support.
Our commitment to quality, innovation, and customer satisfaction sets us apart in the global market.
Decades of experience in screw and barrel manufacturing ensure unmatched reliability.
Trusted by leading plastic and rubber processing companies worldwide.
One of China’s most renowned brands in plastic machinery components.
Every product undergoes rigorous testing for dimensional accuracy and performance.
30+
Years in Business
100+
Clients Served
10K+
Units Produced
98%
Customer Retention
Screws with a compression zone and metering section are ideal for injection molding, ensuring consistent melt homogeneity and pressure build-up.
A high-performance screw should offer excellent melting efficiency, stable output, low energy consumption, and resistance to wear and corrosion.
Screws are classified based on design (single, twin parallel, conical), material (standard steel, bimetallic), and application (extrusion, injection, rubber).
A bimetallic screw features a wear-resistant alloy layer fused onto the base metal, offering superior durability in abrasive or corrosive environments.
For inquiries, quotes, or technical support, reach out to our team directly.
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