DW MACHINERY
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DW MACHINERY
DW Machinery delivers high-performance, wear-resistant screw barrel sets, extrusion lines, and precision components for plastic, rubber, and silicone processing industries worldwide.
Founded in 2020 as part of East Prospects Int'l Trading Group, Ningbo DW Plastics Machinery Co., Ltd. (DW Machinery) specializes in the production of precision components and machinery for the plastics, rubber, and extrusion industries.
We are committed to delivering high-quality bimetallic, nitrided, and chrome-plated screw barrel sets, tie bars, heaters, gearboxes, and complete injection and extrusion systems.
High-performance components for injection molding and extrusion applications
For plastic injection and extrusion. Gas or plasma nitrided for enhanced wear and corrosion resistance.
For plastics with less than 30% reinforced additives. Centrifugally cast alloy liner for superior wear life.
For SPVC, UPVC, PC, PET plastics. Hard chrome plating resists corrosion and abrasion.
Super wearing and corrosion-resistant. Ideal for high-stress applications.
Against high abrasion and corrosion. Titanium nitride or chromium nitride coating.
Gas or plasma nitrided for maximum surface hardness and fatigue resistance.
Centrifugal casting iron-based alloy liner. High resistance to wear and thermal fatigue.
For RPVC, CPVC extrusion. Precision-machined for tight clearance and high output.
Engineered for performance, durability, and precision
Our bimetallic and coated components offer extended service life in abrasive environments.
CNC-machined to tight tolerances ensuring optimal performance and compatibility.
Trusted by clients in over 50 countries for medical, automotive, packaging, and construction sectors.
From components to complete machines, we provide integrated solutions for your production needs.
Serving diverse sectors with tailored wear solutions
DW Machinery produces bimetallic and nitrided screw barrel sets for all applications and major makers of plastic processing equipment. Our products are found worldwide in mild to severe abrasion and corrosion wear environments.
We manufacture bimetallic barrels and liners for rubber injection molding, cold and hot feed extrusion. Custom solutions for LSR (Liquid Silicone Rubber) applications including medical, pharmaceutical, and food-grade systems.
We use high-performance alloys such as Xaloy 800, 1100, and 1500 for the liner, with 42CrMo or 38CrMoAlA for the core, depending on application requirements.
Yes, we offer full customization based on your machine specifications, polymer type, and processing conditions. We can manufacture to print or design in-house.
Standard products: 15–25 days. Custom orders: 30–45 days depending on complexity and size.
Yes, we offer complete twin-screw PVC extrusion lines, medical tube lines, and single-screw systems with full automation and downstream equipment.
Our manufacturing processes follow ISO standards. We provide material test reports, hardness certificates, and dimensional inspection reports with every shipment.
Reach out for quotes, technical support, or partnership opportunities
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