About Changjia

Zhoushan Changjia Plastic machinery Co., LTD is a

China shoe machine barrel screws manufacturers and extruder replacement parts 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

Everything you want to know about rotary screw compressors Mar 28

Everything you want to know about rotary screw compressors

Two screws in a rotary screw compressor are used to compress the gas. Works by driving a set of screws on a synchronous gear. Basically, it works by reducing the gap between threads to compress the gas. The gas is then discharged through th...

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Introduction of screw barrel and plasticizing related parts Mar 20

Introduction of screw barrel and plasticizing related parts

1. Shunt shuttle (rubber head) The shunt shuttle is a part mounted on the front end of the screw shaped like a torpedo body. The role of the shunt shuttle in plasticizing is to divert and mix the plastic melt, so that the melt is further un...

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How to save energy from a rotary screw air compressor Mar 14

How to save energy from a rotary screw air compressor

In the United States, the annual energy cost of compressed air systems is $ 1.5 billion. So many compressors are purchased every day, but you need to know a lot before you share your hard-earned cash into one. However, there are three types...

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ABC for rotary screw air compressors Mar 06

ABC for rotary screw air compressors

Rotary screw air compressors are a type of compressor. Rotary screw air compressors are first known for their ability to save energy. You may have heard tips and tricks to use other types of compressors to save energy. Well, this is all int...

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Techniques for detecting bearing failure of rotary screw air compressor Feb 28

Techniques for detecting bearing failure of rotary screw air compressor

Any machine equipped with anti-friction bearings and gears will exhibit high frequency vibration to some extent. Rotary screw air compressors are an example of this type of machine. Single stage rotary screw compressors are designed with tw...

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Screw compressors-processes, types and applications Feb 22

Screw compressors-processes, types and applications

Screw compressors are specifically designed to handle the conveyance of various dry materials, from granules, cement and plastics to sand, flour, lime and silicates. Its body contains two types of screws, further called female screws and ma...

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ABC rotary screw air compressor Feb 10

ABC rotary screw air compressor

Compressor is a rotary screw air compressor. First rotary screw air compressor to save energy capacity is known. You may have heard the use of other types of compressors to save energy tips and tricks. Well, this is all integrated together....

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How rotary screw air compressors run? Jan 21

How rotary screw air compressors run?

The most commonly used industrial environment is a rotary type compressor screw air compressors. Rotary screw compressors are many around these strange ideas. Most of these ideas related to the cold weather and winter of. Simple maintenance...

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The screw compressor - Types and Applications Jan 11

The screw compressor - Types and Applications

The following are five different types of rotary screw compressors Werther International provided for you to understand and use: 1. Silver sealed rotary compressor Silver compressor to meet new and low noise requirements of 5.5 to 15 HP rot...

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