CJ Filter is a professional provider for filter press solutions and systems for the mining and mineral, metals refining, chemical industries globally.


A professional provider for filter press solutions and systems for the mining and mineral, metals refining, chemical industries globally.

Established in 1997.

Changjie Filter has been dedicated over twenty years to R&D, design and manufacture of air-through high efficiency filter press for mining, minerals processing and metallurgy, chemical industry.

Changjie Filter has set up 3 subsidiaries.

Sichuan Shanshui Changjie Enviromental Protection Equipment Corp.

Luzhou Changjie Filter Equipment Corp.

Chengdu Changjie Technology Corp.

We have

6 operation centers

260 skilled and qualified employees

60 senior engineers

48000 square meters facility area

200sets advanced production equipment

We aim to become a valuable partner for our customers with the concept of Customer Focused and Best service.

Our air-through high efficiency filter press is innovative side feeding, filter cake squeezing and air-blow drying. 

The homogenous filter cake will be efficiently squeezed and air-dried. 

The lowest cake moisture can reach to 5%. 

The maximum daily production capacity of 2500ton.

Our air-through high efficiency washing filter press can process washing and filtration all-in-one single unit. 

Up to 99.5% washing efficiency. 

Reduce at least 40% water and energy consumption.

Application fields are mineral process, hydrometallurgy, phosphate chemical, electrolytic manganese, cyanided gold slags, lithium and coal industry. 

Changjie Side Feeding Filter Press for Mining, Mineral Processing, Metallurgy and Chemical Industry - YouTube


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Your Benefits

We help our customers increase their productivity and profitability, reduce the energy consumption, investment costs, ensure the safety and reliability by:

→ Lower filter cake moisture for increased product quality.

→ Higher filtrate efficiency and capacity.

→ Fits for high-altitude, ultrafine and high clay content applications.

→ Smart control system.

→ Improve customers’ profitability by increased recycling and reprocessing 

    of tailings.

→ Simple and robustness, extremely low maintenance costs.

→ Possible highest capacity for less investment costs.

→ Modularized structure to reduce costs and simplify maintenance.

Our services

CHANGJIE FILTER has been committed to provide professional filter press solutions and systems to you.

Technical service

1. We help you select suitable solutions and systems, to maximize your profitability and productivity. Our technical engineers could investigate the plant on site, offer suitable solutions, process the filtration tests for you.

2. Supported by our senior engineers, we can manufacture, adjust and test the equipment for you to ensure the safety and reliability. In addition, our senior engineers could help customers have trained for operation, managements, routine maintenance, etc.

3. All of filter press offered by CHANGJIE FILTER will provide a 12 month warranty period after the self commissioning test. Details can be explored by case.

Since 1997