China has become one of the world’s largest manufacturing centers for plastic machinery components. Among these components, extruder screw and barrel systems are essential for plastic extrusion and injection molding machines.
With hundreds of suppliers in the market, choosing a reliable screw barrel manufacturer in China can be challenging. Quality, material selection, engineering capability, and manufacturing precision all play a crucial role in the performance and lifetime of screw and barrel systems.
In this article, we introduce one of the most reliable manufacturers in China: Zhoushan Juyuan Machinery Co., Ltd.
Zhoushan Juyuan Machinery Co., Ltd.
Zhoushan Juyuan Machinery Co., Ltd. is a professional manufacturer specializing in the production of screw and barrel systems for plastic extrusion and injection molding machines.
Located in Zhoushan, Zhejiang Province, which is widely known as the “Screw and Barrel Capital of China,” the company has strong technical experience in designing and manufacturing high-performance screw and barrel solutions.
The company provides customized solutions for various plastic processing applications, including:
- Plastic extrusion
- Plastic recycling
- Pipe extrusion
- Film blowing
- Injection molding
With advanced machining equipment and strict quality control, Juyuan Machinery ensures high durability, wear resistance, and excellent performance for its products.
Main Products
Zhoushan Juyuan Machinery manufactures a wide range of screw and barrel products, including:
Single Screw and Barrel
Single screw and barrel systems are widely used in plastic extrusion machines for producing pipes, sheets, films, and profiles.
Twin Screw and Barrel
Twin screw systems are commonly used for PVC pipe extrusion, compounding, and granulation processes.
Conical Twin Screw and Barrel
Conical twin screws are mainly used in PVC pipe and profile extrusion lines.
Injection Molding Screw and Barrel
High-precision screw and barrel systems designed for injection molding machines.
Barrier Screw
Barrier screws improve plastic melting efficiency and increase extrusion output.
High-Quality Materials and Treatment
The quality of screw and barrel systems depends heavily on material selection and surface treatment.
Zhoushan Juyuan Machinery uses high-quality materials such as:
- 38CrMoAlA nitrided steel
- SKD61 alloy steel
- H13 tool steel
Surface treatments include:
- Nitriding treatment
- Bimetallic alloy coating
- Chrome plating
- Wear-resistant alloy lining
For bimetallic barrels, the company uses tungsten carbide alloy with 20–25% tungsten content, providing excellent wear resistance, especially for plastic recycling and fiber-filled materials.
Advanced Manufacturing Capability
Zhoushan Juyuan Machinery is equipped with advanced production equipment, including:
- CNC screw milling machines
- Deep hole drilling machines
- Nitriding furnaces
- Precision grinding machines
Strict quality inspection ensures each screw and barrel meets the required standards before delivery.
Typical technical parameters include:
- Nitriding hardness: HV900–1000
- Nitriding depth: 0.6–0.8 mm
- High wear resistance and long service life
Customized Solutions for Plastic Processing
Every plastic processing application requires different screw designs.
Juyuan Machinery offers customized screw designs for:
- HDPE / LDPE / LLDPE film
- PVC pipe extrusion
- PET recycling
- Plastic granulation
- Engineering plastics
Customers can provide machine specifications or drawings, and the engineering team will design the most suitable screw and barrel configuration.
Global Customers
Zhoushan Juyuan Machinery exports screw and barrel products to customers worldwide, including:
- Europe
- South America
- Middle East
- Southeast Asia
- Africa
The company has built long-term partnerships with plastic manufacturers and machinery companies around the world.
Why Choose Zhoushan Juyuan Machinery
Customers choose Juyuan Machinery because of:
- Professional manufacturing experience
- High-quality materials
- Advanced production technology
- Customized screw design
- Competitive pricing
- Reliable delivery time
These advantages make the company a trusted screw barrel supplier from China.
Contact Zhoushan Juyuan Machinery
If you are looking for a reliable screw barrel manufacturer in China, Zhoushan Juyuan Machinery can provide professional solutions for your plastic machinery.
Website
https://juyuan-machinery.com/
Email
cxj.job@gmail.com
WhatsApp / WeChat
+86 13905808474
Feel free to contact us for drawings, technical consultation, or quotations.