About Changjia

Zhoushan Changjia Plastic machinery Co., LTD is a

China gearbox for screw extruder manufacturers and gearbox for screw extruder factory

, company located in the middle of Jintang Island of the city of Zhoushan. Zhoushan is known for its multiple isles and the production of screw rods. To the east, it looks at Putuo Mountain, a Buddhist pilgrim resort across the sea; to the west, it is adjacent with Beilun Port of Ningbo, an international deep-water port.

Company combines scientific research development, production and business operation and business property as a whole. It is a professional producer of various types screw rods for cylinders of extruders and injection molding machines. It is also able to customize specific Extruder replacement parts according to the users' requirements and serve its users with designing of sample preparation.

This Company's products are based upon high quality steel 38CrMoALA, which is conditioned, surface nitridized (or coated with hard alloy) and polished, showing very high precision, wear resistance and long service life, therefore, used by many famous brand molding machines at home and abroad.

2000+

output

1200+

factories

27+

employees

Product List

       

You will find yourself working in a true partnership that results in an incredible experience,
and an end product that is the good.

Learn more from our FAQ

               

You will find yourself working in a true partnership that results in an incredible experience,and an end Shoe machine barrel screws that is the good.

What is the payment method?

When quoting, we will confirm with you the trading method, FOB, T/T or other ways. In mass production, we usually pay 40% advance payment, and then see the balance before shipment. Payment terms are mostly FOB. Of course...

Where are your main exports?

Our products are mainly exported to Southeast Asia, Europe, South America and other countries.

How can the goods be delivered to customers?

Usually we ship goods by sea, because we are in Ningbo, and it is very convenient for us to export by sea. Of course, if the customer's cargo is more urgent, we can also air transport, Ningbo Airport and Shanghai Interna...

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Marketing Network

Intemational Exhibition: Changjia screw sales all over the world, Japan, South Korea, the United States, Canada, France, Germany, Mexico, England, Austria, ltaly, Poland, Finland, Lebanon, Iran, Pakistan, Russia, Brazil, Argentina, Israel, Thailand, Vietnam, Malaysia Wait.

News & Event

Revitalizing Production: How Upgraded Extruder Replacement Parts Enhance Manufacturing Performance Sep 15

Revitalizing Production: How Upgraded Extruder Replacement Parts Enhance Manufacturing Performance

In the realm of modern manufacturing, extruders play a critical role, shaping raw materials into various products across industries such as plastics, food, and pharmaceuticals. One key factor in optimizing this production process is the int...

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Maximizing Efficiency and Quality: The Impact of Extruder Screw Barrel Geometry on Output Sep 08

Maximizing Efficiency and Quality: The Impact of Extruder Screw Barrel Geometry on Output

Plastic extrusion stands as a fundamental industrial process, shaping a broad spectrum of plastic materials into an array of products. Efficiency and quality reign supreme in this process, and a pivotal factor influencing both is the geomet...

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Maximizing Productivity: How Extruder Replacement Parts Keep Manufacturing Lines Running Smoothly Sep 04

Maximizing Productivity: How Extruder Replacement Parts Keep Manufacturing Lines Running Smoothly

In the dynamic world of manufacturing, where precision and efficiency are paramount, extruders stand as essential tools for shaping and processing raw materials into finished products. These intricate machines play a pivotal role in various...

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Designing Strength: How Blown Film Extruders Enhance Packaging Durability Aug 25

Designing Strength: How Blown Film Extruders Enhance Packaging Durability

In the intricate realm of packaging solutions, one technology stands out – Blown Film Extruders. This exploration delves into their pivotal role in enhancing packaging durability, shedding light on their potential to revolutionize protectiv...

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Beyond Conventional Extrusion: The Advantages of Parallel Twin Screw Barrels Aug 17

Beyond Conventional Extrusion: The Advantages of Parallel Twin Screw Barrels

In the dynamic realm of polymer processing and extrusion, an extraordinary innovation takes center stage—the parallel twin screw barrel. This cutting-edge technology transcends the boundaries of conventional extrusion methods, ushering in a...

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Bolting Efficiency: The Advantages of High-Speed Screws in Industrial Applications Aug 11

Bolting Efficiency: The Advantages of High-Speed Screws in Industrial Applications

Embark on a journey of industrial innovation as we delve into the advantages of High-Speed Screws in enhancing efficiency across various applications. These advanced fasteners redefine the dynamics of bolting, offering a range of benefits t...

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Customizable Excellence: Exploring the Versatility of Building Block Flat Twin Screw Barrels Aug 07

Customizable Excellence: Exploring the Versatility of Building Block Flat Twin Screw Barrels

Building block flat twin screw barrels offer a customizable and versatile solution for various plastic processing applications. These innovative components play a crucial role in extrusion processes, providing high-quality mixing, compoundi...

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Unleashing Efficiency and Versatility: The Flat Twin Screw Extruder Jul 28

Unleashing Efficiency and Versatility: The Flat Twin Screw Extruder

The flat twin screw extruder is a remarkable piece of machinery that has revolutionized the world of plastic processing and manufacturing. This ingenious device offers unparalleled efficiency, versatility, and reliability, making it an esse...

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The parallel twin screw barrel offers versatility in processing different types of plastic materials Jul 21

The parallel twin screw barrel offers versatility in processing different types of plastic materials

A parallel twin screw barrel is an essential component of a twin screw extruder, a versatile machine used in various industries for processing and manufacturing plastic products. The twin screw barrel consists of two parallel screws enclose...

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