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.

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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

A barrel flange connector is a type of connector that is used to connect two barrels or drums together Mar 17

A barrel flange connector is a type of connector that is used to connect two barrels or drums together

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What are the key features and considerations of threaded components? Mar 10

What are the key features and considerations of threaded components?

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What are the benefits of nickel plated screw? Mar 03

What are the benefits of nickel plated screw?

A nickel plated screw is a type of metal fastener that has been coated with a layer of nickel. This coating provides several benefits, including: Corrosion resistance: Nickel is a non-ferrous metal that is highly resistant to corrosion and ...

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What are the advantages of flat twin screw extruders? Feb 24

What are the advantages of flat twin screw extruders?

A flat twin screw extruder is a type of extrusion machine used to process materials, such as plastics, into a variety of shapes and forms. The machine consists of two parallel, intermeshing screws that rotate within a stationary barrel. The...

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What are the applications of chrome-plated screws? Feb 17

What are the applications of chrome-plated screws?

A chrome-plated screw is a type of screw that has a coating of chrome on its surface. The chrome plating serves to protect the screw from rust and corrosion, as well as to enhance its appearance. Chrome plating involves electroplating a thi...

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The nitriding bottle blowing machine is a type of machine used for the production of plastic bottles Feb 10

The nitriding bottle blowing machine is a type of machine used for the production of plastic bottles

A Nitriding Bottle Blowing Machine is a type of machine used for the production of plastic bottles. It is a specialized type of blow molding machine that uses nitriding technology to produce high-quality, durable bottles for various applica...

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What are the key components of the blown film extruder? Feb 03

What are the key components of the blown film extruder?

A blown film extruder is a type of plastic processing machinery used to produce plastic films and sheets. The process involves melting plastic pellets and then extruding the melted plastic through a circular die to form a tube. This tube is...

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What are the main components of the nitriding blow molding machine? Jan 28

What are the main components of the nitriding blow molding machine?

A Nitriding Bottle Blowing Machine is a type of machine used in the manufacturing process of blowing and forming plastic bottles. The process of Nitriding is a surface treatment method used to improve the wear and corrosion resistance of me...

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Screw barrel plays an important role in the rubber extrusion process Jan 18

Screw barrel plays an important role in the rubber extrusion process

A rubber machine screw barrel is a component of a rubber extrusion machine. It is a cylindrical barrel that houses the screw, which is the component that pushes the rubber material through the machine. The screw is typically made of high-st...

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