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Zhejiang Jinxing Injection Screws Manufacture Co., Ltd. – Trusted supplier of high-performance bimetallic screws and barrels for extrusion and injection molding. Over 30 years of excellence, exported to 20+ countries.
Zhejiang Jinxing Injection Screws Manufacture Co., Ltd. (short: "Jinxing Screws") has been a leading manufacturer of screws and barrels in China since 1989. With over 30 years of experience, we have built a strong reputation for quality, innovation, and reliability across global markets.
Our “JINYOU” brand has been recognized as The Famous Brand in Zhejiang Province since 2003, and our products are trusted by renowned plastic machinery manufacturers such as HAITIAN, HAIDA, and CHENHSONG.
We proudly export to over 20 countries across Europe, North America, Southeast Asia, East Asia, the Middle East, and Africa.
Years of Experience
Countries Served
Own Foundries
Our bimetallic screws offer superior performance thanks to advanced materials and manufacturing processes.
Bimetallic screws use a composite of light alloy outer layer and high-strength inner metal, reducing weight while maintaining durability—ideal for electric vehicles and high-speed applications.
Offers excellent toughness, wear resistance, and fatigue strength. Ideal for high-pressure and high-temperature environments in extrusion and injection molding.
From precision CNC whirl-wind milling (PICK UP 500, Austria) to full automation, every step ensures dimensional accuracy and long service life.
Parallel twin-screw systems offer better mixing, forced conveying, and higher output compared to single-screw designs—perfect for rubber and polymer processing.
We specialize in custom and standard bimetallic screws and barrels for a wide range of industrial applications.
Designed for high-efficiency plastic extrusion. Made with bimetallic construction for enhanced wear resistance and longevity.
High-precision components for consistent melt homogeneity and long service life in demanding injection cycles.
Tailored to your specifications—based on drawings, samples, or performance requirements.
Parallel or conical twin-screw systems with optimized conveying, mixing, and venting zones.
Lightweight, high-performance screws engineered for electric vehicle battery and component manufacturing.
Designed with venting zones to remove moisture and volatiles during extrusion—critical for high-quality output.
Over 30 years of engineering expertise and a dedicated R&D team ensure cutting-edge product development.
Factory-direct sales mean better pricing without compromising on quality or delivery speed.
In-house laboratory with state-of-the-art testing equipment ensures every product meets international standards.
Products exported to Europe, America, Japan, and beyond—meeting ISO and regional industry requirements.
The process includes raw material selection, forging, heat treatment, CNC machining (turning, milling, grinding), bimetallic cladding (plasma spray or welding), precision polishing, and final inspection using CMM and hardness testers.
42CrMo offers high tensile strength, excellent toughness, good wear resistance, and superior fatigue performance. It maintains structural integrity under high stress and temperature, making it ideal for screw cores.
After each shutdown, clean residual materials immediately to prevent carbonization. Use proper cleaning compounds, inspect for wear, and lubricate drive components regularly. Avoid abrupt temperature changes.
Yes. Our R&D team can reverse-engineer and manufacture screws and barrels from customer-provided drawings, CAD files, or physical samples—ensuring perfect compatibility.
Yes. “JINYOU” is the only official brand of Jinxing Screws. Be cautious of counterfeit products in the market as our popularity grows.
Ready to discuss your custom screw and barrel needs? Contact us today.
Company: Zhejiang Jinxing Injection Screws Manufacture Co., Ltd.
Address: No. 8, Dafeng Road, Xihou Industrial Zone, Jintang Town, Dinghai District, Zhoushan, Zhejiang, China
Phone: +86-580-8050358 / 8053788
Fax: +86-580-8053789 / 8052512
Email: sales@jxscrews.com
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