Screw Barrel Supplier

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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 OEM/ODM Screw Barrels and Screw Barrel For Injection Molding Machine And Extruder 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 Screw and Barrel for injection and extrusion molding machines. They are 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
I.Enhanced Mixing Capability
One of the most significant advantages of barrel screws is their ability to provide enhanced mixing capabilities. In design of the Barrel Screw manufacturer helps to move the extruded material through the barrel, improving the mixing of different types of materials, such as fillers and pigments. This results in a more consistent mixture, which is essential in extrusion processes where quality and consistency are crucial to the outcome.

II. Improved Production Efficiency
Another advantage of using barrel screws in the extrusion process is improved production efficiency. The design of the screw allows for greater control over the extruded material's flow, resulting in more consistent output. Additionally, the use of barrel screws reduces the likelihood of material sticking to the inner walls of the barrel, which can cause downtime and maintenance issues. All these factors result in improved production uptime, which directly translates to lower manufacturing costs.

III. Cost-Effective Solution
Lastly, the use of barrel screws is a cost-effective solution for a variety of industries. The improved mixing capabilities and production efficiency of barrel screws lead to higher yields, which reduces scrap and waste. Additionally, the design of the screws allows for greater control over the extrusion process, which can reduce the need for costly additives or tools. By reducing waste and optimizing efficiency, barrel screws are a cost-effective solution that can help Barrel Screw suppliers stay competitive in the constantly evolving world of manufacturing.