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.

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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

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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All you want to know rotary screw compressors Jan 03

All you want to know rotary screw compressors

In rotary screw compressors two screws are used for the compressed gas. This is synchronized by a gear driven by a set screw. Basically, it works by a compressed gas by decreasing the gap between the thread means. Then the end of the gas ex...

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Select rotary screw compressor Dec 28

Select rotary screw compressor

Rotary screw compressor series belonging displacement. A positive displacement pump to produce a flow by applying suction side expansion chamber and the discharge chamber is applied to a decrease side. Accumulated displacement machine insid...

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Screw extruder classification and selection Dec 20

Screw extruder classification and selection

Extruding system includes a screw extruder, a cylinder, a hopper, nose, and mold, plastic plasticized by extrusion system to form a homogeneous melt, and established in the process under pressure, the extrusion screw is continuously head.  ...

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Stainless Steel Barrel Nuts - What Are They and What Types Are Available? Dec 13

Stainless Steel Barrel Nuts - What Are They and What Types Are Available?

A Stainless Steel Barrel Nut is an internally threaded bar shaped flange with a screw drive at one end. It has an internal machine thread in the barrel for machine screws or machine threaded bolts to be threaded into. Often these screws wil...

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Detecting rotary screw air compressor bearing failure tips Dec 06

Detecting rotary screw air compressor bearing failure tips

Any with antifriction bearings and gears of the machine will show the high-frequency vibration to some extent. Rotary screw air compressors is an example of such machines. Single-stage rotary screw compressor designed with two rotors, there...

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