Twin Screw Barrel Suppliers

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  • 36000㎡

    Construction area

  • 25000㎡

    Workshop area

  • 100+

    Skillful employees

  • 20

    Technicalist personal



Zhejiang Bimetal Machinery Co., Ltd. (formerly Zhejiang Zhoushan Dinghai Chen’s Machinery Co., Ltd.) is located at the coast of East China Sea, adjacent to the famous international deep-water port – Ningbo Beilun Port.

Bimetal is professional China Double Screw Barrel Manufacturers and double Screw Barrel Suppliers which specializes in manufacturing series of screws, rubber melting cylinder products. Products are widely used in the 30-40000 grams injection molding machine, the 15-250mm single screw extruder, and the 30-130mm conical and parallel twin-screw extruder and all kinds of rubber machine, weaving machine, puffed food machine. All of the products are made of quality 38CrMoALA steel. By employment of fine processes of quenching and tempering, stiffening, nitriding, grinding, finishing, and guidance of ISO9002 International Quality Control System, products are in line with international standards. GⅡ 113 nickel-based alloy (latest 3# steel) screw cylinder is also one of our fist products; it is applicable for alloy bimetal (PTA) welding. In addition to providing balance equipment for complete machine companies abroad, we are also a leading Supplier undertaking OEM service, surveying and mapping assistance, as well as design services for big and small companies at home. No matter you are our existing partner or potential customer, with products and services, we warmly welcome your visit and inquiries with our wholeheartedly and thoughtful services. We also custom double Twin Screw Barrel made of 38CrMoALA steel. We also wholesale in bulk.


Screws are gauged and manufactured to meet your highest quality and performance standards.

Industry Knowledge Expansion About This Category
1. The Importance of Choosing a Reliable Double Barrel Screw Manufacturer
When it comes to plastic extrusion processes, double barrel screws are essential components. They allow for the thorough mixing, melting, and homogenization of the plastic materials before they are extruded. Therefore, it is critical to select a reputable and trustworthy double barrel screw manufacturer. A good manufacturer will provide high-quality components that can withstand the high pressures, temperatures, and demands of the plastic extrusion process. They will also offer customized designs and solutions to accommodate the specific needs of your extrusion process.
2. Benefits of Using Double Barrel Screws in Plastic Extrusion
Double barrel screws provide numerous benefits to plastic extrusion processes. They offer better melt homogeneity, improved mixing, and increased output rates. In addition, they reduce the chance of thermal degradation, which can lead to discoloration, burning, and off-gassing of plastic materials. Double barrel screws can also accommodate a wide range of plastic materials, including high-viscosity and shear-sensitive materials. Therefore, by choosing the right double barrel screw manufacturer, businesses can increase their efficiency, throughput, and product quality.
3. Increased Flexibility and Versatility
The double barrel screw offers increased flexibility and versatility in plastic extrusion applications. Manufacturers can customize the screw profiles and configurations to accommodate specific materials, product dimensions, and processing requirements. By adjusting the speed and direction of the screws, precise control over mixing, compounding, and pressure build-up is achieved. The ability to tailor the operation of the dual screws allows for versatile processing of different types of plastics, including blends and filled materials. This adaptability empowers manufacturers to explore a broader range of applications and deliver customized solutions to meet evolving market demands.