Extruder Maintenance and Barrel and Gearbox Replacement Service for 15.6 to 500 mm Barrel Diameter
We provide professional repair and complete remanufacturing services for W and P ZSK58 series twin-screw extruders. Our services include comprehensive gearbox inspection and repair, barrel remanufacturing, screw element remanufacturing and replacement, screw shaft precision reconditioning, die head repair and reconditioning, among other critical extruder components.

We provide a full range of extruder spare parts including barrels, screw elements, shafts, among others.
- Screw element diameter range: 16 to 400 mm
- Barrel diameter range: 15.6 to 500 mm
We offer professional repair and direct replacement services for imported extruder gearboxes.
- Compatible gearbox range: 16 to 450 mm screw diameter
We provide comprehensive solutions for imported extruder maintenance, component replacement and overall production line performance optimization.
We are dedicated to the development, design and manufacturing of co-rotating and counter-rotating parallel twin-screw extruder production lines. Our extruders feature high torque, high efficiency, low energy consumption, excellent price to performance ratio and long service life, with a designed gearbox service life of up to 72000 hours. We keep pace with the most advanced extruder manufacturers worldwide.
Our product and service portfolio includes:
- Complete twin-screw extruder production lines
- High-torque reduction gearboxes
- Automatic long fiber reinforced thermoplastic composites (LFT-D) production lines
- Counter-rotating parallel twin-screw extruders
- Differential concentration mixers
- Large component repair and precision machining
- Custom design and manufacturing of screw elements for all Japanese and German extruder models
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.