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GEM Precision Machinery Corp specializes in manufacturing and rebuilding bimetallic barrels, screws, screw tips, and plastification components for injection molding machines and extruders. Trusted by global manufacturers since 2001.
A leader in wear-resistant components for plastic processing machinery, delivering high-performance solutions for injection molding and extrusion applications worldwide.
GEM Technic manufactures screws, barrels, screw tips, end caps, nozzles, tie bars, and other critical components for injection molding machines across various industries. We also produce single screw extrusion systems for extruders and blow molding machines.
Our expertise includes rebuilding worn screws back to OEM specifications and manufacturing new screws based on customer-supplied designs. With fast turnaround times and strict quality control, we ensure minimal downtime for your operations.
Advanced manufacturing and engineering solutions for demanding plastic processing environments.
CNC milling, turning, deep hole boring, and honing with micron-level accuracy.
PTA welding, ion/gas nitriding, chrome plating, and Stellite/Colmonoy hardfacing.
Custom screw profiles, barrier screws, mixing zones, and application-specific geometries.
Rigorous inspection protocols, material certification, and dimensional verification.
High-performance components engineered for durability, efficiency, and consistent output.
Custom and standard designs for GP, PVC, thermoset, and engineering resins. Available in nitrided or bimetallic variants.
Precision-bored and honed barrels with bimetallic liners or nitrided surfaces for extended service life.
Valve tips, mixers, filters, and non-return assemblies for optimal melt control and backflow prevention.
Robust end caps and adapters for secure nozzle attachment and thermal efficiency.
Shut-off, open, and valve nozzles with wear-resistant tips for consistent injection performance.
Complete extrusion systems for single-screw extruders and blow molding machines.
Replacement tie bars, feed throats, and other critical spare parts for injection molding machines.
Full restoration of worn screws and barrels to like-new condition with extended lifespan.
Engineered solutions for the most demanding plastic processing applications.
PA, PBT, PET, PC, PPS, and other high-temp engineering plastics requiring wear-resistant components.
Abrasive regrind and post-consumer materials demand robust screw and barrel protection.
Corrosion-resistant materials and precise temperature control for PVC processing.
Low-shear, high-homogenization designs for elastomers and liquid silicone rubber.
Short residence time, non-stick surfaces, and precise metering for cross-linking materials.
High wear resistance and consistent feeding for metal and ceramic powder feedstocks.
High-output single screw systems with superior melt quality and stability.
Special alloys and coatings for processing aggressive fluorinated resins like PTFE.
Precision gas injection and mixing zones for low-density, high-strength parts.
Comprehensive support from design to delivery and beyond.
Restore worn screws and barrels to OEM specs with PTA, nitriding, and precision machining.
Custom screw profiles, material selection, and process optimization consulting.
On-site installation, troubleshooting, and maintenance support worldwide.
Keep critical spares in stock for rapid replacement and reduced downtime.
Genuine replacement parts, wear components, and consumables.
Precision machining and assembly services for OEMs and integrators.
For inquiries, technical support, or custom solutions, reach out to our team today.
Location: Meixu, Yinzhou, Ningbo, China
Phone: +86 158 2437 8196
Email: sales@gempmcorp.com
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