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Zhoushan Changjia Plastic Machinery Co., Ltd. – Your trusted partner in precision-engineered screw barrels, twin-screw systems, injection molding components, and auxiliary plastic processing equipment.
We are an enterprise dedicated to high-precision screw processing and international trade, committed to providing customers with high-quality and innovative solutions. With advanced processing technology and a strict quality control system, we ensure that every product meets the highest standards of precision and durability.
Our team continuously innovates to meet the diverse needs of global customers. Through an efficient international trade network, we promote high-quality products and services to markets worldwide, earning the trust of clients across industries.
Discover our comprehensive lineup of high-performance components for plastic extrusion, injection molding, and recycling systems.
High-precision screw and barrel sets designed for optimal melt homogeneity and long service life in single-screw extrusion systems.
Advanced co-rotating and counter-rotating twin-screw configurations for compounding, devolatilization, and high-output extrusion.
Precision-engineered screws for injection molding machines, ensuring consistent plasticization and energy efficiency.
High-efficiency heating elements with precise temperature control for extrusion and injection molding applications.
Robust gearboxes designed for high-torque transmission and smooth operation in extrusion lines.
Efficient recycling granulators for reprocessing edge trim and scrap materials in film and sheet production.
Optimized screw design for processing rigid and flexible PVC with minimal degradation and excellent mixing.
Complete film blowing lines for producing multi-layer packaging films with precise layer control.
We combine advanced manufacturing, rigorous quality control, and customer-focused innovation to deliver superior plastic processing solutions.
CNC-machined components with tight tolerances ensure optimal performance and longevity in demanding applications.
We design and manufacture tailored screw configurations and components to meet your specific material and process requirements.
With international distribution and technical support, we serve customers in over 50 countries with responsive service.
Every product undergoes rigorous testing and inspection to ensure compliance with international standards.
Find answers to common questions about our products, services, and manufacturing capabilities.
We are a direct manufacturer. Zhoushan Changjia Plastic Machinery Co., Ltd. operates our own production facilities with full control over design, processing, and quality assurance.
Yes, we specialize in customized solutions. Our engineering team works with clients to design screw configurations, barrel linings, and components tailored to specific materials, output requirements, and machine compatibility.
Our products serve a wide range of industries including packaging (film, sheet), pipe and profile extrusion, recycling, compounding, medical plastics, and consumer goods manufacturing.
We offer extruder screw barrels (single and twin-screw), injection molding screws, gearboxes, heating rings, granulators, blown film dies, and complete production lines for PVC, ABA film, and recycling applications.
Spot formation can be minimized by optimizing screw design to reduce shear heat, ensuring proper temperature control, using high-purity raw materials, and maintaining clean processing conditions. We offer specialized low-shear PVC screws to address this issue.
Have questions about our products or need a custom solution? Contact our team today.
screw@zschangjia.com
+86 15957056012
+86 0580-8252221
24-18 Dafeng Road, Xihou Industrial Park, Jintang Town, Dinghai District, Zhoushan City, Zhejiang Province, China
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