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...

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...

Where are your main exports?

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

Get more informations

Request a Quote

Fill all information details to consult
with us to get sevices from us

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

Parallel Twin Screw Barrel Apr 17

Parallel Twin Screw Barrel

How does the Parallel Twin Screw Barrel achieve efficient mixing and conveying capabilities? The efficient mixing and conveying capabilities of the Parallel Twin Screw Barrel (parallel twin screw extruder) mainly rely on its unique design a...

view more
Meltblown Extruder Screw Barrel Apr 12

Meltblown Extruder Screw Barrel

In the production of environmental protection materials, how does Meltblown Extruder Screw Barrel control the uniform distribution of fibers to improve the performance of the material? In the production of environmentally friendly materials...

view more
Parallel Twin Screw Barrel Apr 05

Parallel Twin Screw Barrel

How does Parallel Twin Screw Barrel precisely control the processing temperature to ensure the stability and fluidity of polymer materials? Parallel Twin Screw Barrel ensures the stability and fluidity of polymer materials during processing...

view more
How Does Temperature Control Impact the Functioning of a Conical Type Hot Feed Extruder Screw? Mar 29

How Does Temperature Control Impact the Functioning of a Conical Type Hot Feed Extruder Screw?

Temperature control is a critical factor that significantly impacts the functioning and performance of a conical type hot feed extruder screw throughout the polymer extrusion process. Precise temperature regulation is essential for optimizi...

view more
How to optimize the temperature control system of the A complete set of Injection Molding Machine Barrel? Mar 22

How to optimize the temperature control system of the A complete set of Injection Molding Machine Barrel?

The temperature control system of the A complete set of Injection Molding Machine Barrel is one of the keys to ensuring stable and efficient operation of the injection molding process. Optimizing the temperature control system not only impr...

view more
What innovations are there in the processing technology of Three-dimensional printer screws? Mar 15

What innovations are there in the processing technology of Three-dimensional printer screws?

The processing technology of Three-dimensional printer screw is constantly innovating and developing to meet the increasing demand for screw quality, performance and production efficiency. Here are some innovative Three-dimensional printer ...

view more
How is the leak-proof function of barrel flange connector achieved? Mar 08

How is the leak-proof function of barrel flange connector achieved?

Barrel flange connector is an important pipe connection device and is widely used in industrial fields. Its leakage prevention function is one of the keys to ensuring the normal operation of the pipeline system and reducing environmental po...

view more
What impact do the design parameters of ordinary hot-feed extruder screws have on product quality? Mar 01

What impact do the design parameters of ordinary hot-feed extruder screws have on product quality?

In the extrusion molding process, the extruder screw is one of the key components, and the selection of its design parameters directly affects the quality of the product, production efficiency, and equipment stability. This article will del...

view more
Can the energy consumption in the production process be reduced by using WPC parallel twin-screw barrel? Feb 23

Can the energy consumption in the production process be reduced by using WPC parallel twin-screw barrel?

In today's production environment that pays attention to energy conservation and environmental protection, reducing energy consumption is an important issue faced by every manufacturing enterprise. With its advanced design and technology, W...

view more
CONTACT US