About Dazhang


DaZhang: A Filter Press Manufacturer in China

Founded in 2004, DAZHANG is a manufacturer specializing in the development, production, sale, and maintenance of equipment for the separation of solids and liquids.

The company’s headquarters is located in the Fengxian District of Shanghai and covers an area of 12,000 square meters. Another of the company’s production complexes is located in Henan Province and covers an area of 130,000 square meters. Thanks to its modern production facilities, experienced technical team, and well-established quality control system, Dazhang has, over the course of more than twenty years of development, acquired significant capabilities in the design and manufacture of equipment and the creation of customized solutions in the field of filtration.

Our main products include plate-and-frame filter presses, chamber filter presses, membrane filter presses, quick-release filter presses, belt filter presses, and intelligent pressure filtration equipment. These products are widely used in the mining, coal, chemical, petroleum, metallurgical, and energy industries, as well as in sand washing, wastewater treatment, food and beverage production, pharmaceuticals, and other sectors.

DAZHANG has obtained ISO quality management system certification and CE certification, and holds numerous patents for inventions and utility models. Thanks to the reliable quality of our products, continuous technical innovation, and professional customer service, our filtration equipment is supplied to customers worldwide. We strive to provide customers worldwide with highly efficient, stable, and reliable equipment and solutions for solid-liquid separation.

Factory site planPlant layout

Why Choose Us?

Over 20 years of experience in filtration

Since 2004, Dazhang Filtration has specialized in the research, development, manufacturing, and implementation of equipment for separating solids from liquids. With extensive experience in executing projects across various industries, we offer reliable filtration solutions tailored to our customers’ needs.

  • Founded in 2004
  • Over 20 years of experience
  • We operate in over 100 countries
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High Production Capacity

With five production and R&D facilities in Shanghai and Henan Province, Dazhang possesses state-of-the-art production facilities and a full range of manufacturing capabilities, ensuring consistent quality, timely delivery, and customized equipment solutions.

  • Production facility area: 570,000 m²
  • Over 1,000 employees
  • Annual production capacity: 9,500 sets
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Cutting-Edge Technologies and Quality Control

Dachang possesses professional R&D platforms, core technologies, and more than 100 patents. The company has received numerous certifications and industry awards, ensuring high performance, reliability, and a long service life for its equipment.

  • Over 100 Patents
  • ISO 9001 Quality Management System
  • CE Certification
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Global Service and Comprehensive Solutions

From equipment selection and process design to installation and after-sales service, Dazhang provides comprehensive filtration solutions to customers around the world.

  • Exports to more than 100 countries
  • Global service network
  • Comprehensive filtration solutions
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  • Global Filter Press Projects

    DaZhang is a leading filter press manufacturer in China, providing filtration solutions for global industries including mining, wastewater treatment and chemical processing.

    Our filter press systems have been exported to over 100 countries across Asia, Europe, North and South America, Africa and the Middle East.

    With 20+ years of experience, we offer complete filter press solutions from design and manufacturing to installation and after-sales service, ensuring efficient and reliable sludge dewatering performance for industrial applications.

    • ✔ 20+ years engineering experience
    • ✔ Strong R&D capability
    • ✔ Customized filter press solutions
    • ✔ Global project support
  • Our Engineering Team

    Our engineering team consists of experienced experts in filtration technology, environmental protection and industrial equipment manufacturing.

    With strong R&D capabilities, DaZhang continuously develops advanced filter press solutions to meet the needs of mining, wastewater treatment and industrial applications.

    We provide complete technical support from design and manufacturing to installation and after-sales service, ensuring reliable and efficient sludge dewatering performance.

    • ✔ Experienced filter press engineering team
    • ✔ Advanced filtration technology expertise
    • ✔ Industry-specific solution design
    • ✔ Full lifecycle technical support
Global After-Sales Support
We provide comprehensive after-sales service for filter press systems worldwide, including installation, commissioning, technical support and spare parts supply.
Our experienced engineers respond quickly to customer needs, ensuring reliable operation and efficient sludge dewatering performance for industrial applications.

CERTIFICATIONS

HISTORY

2004
DaZhang Filtration was established at its Minhang plant in Shanghai, with filter presses commencing production.
2007
Establish a production base in Yuzhou City, Henan Province,and set up a research and development center for filtration processes and equipment.
2008
Dazhang Environmental Protection EquipmentCo., Ltd.,established in Shanghai, manufactures various filtration equipment used in key national environmental protection projects.
2011
The factory covers an area of250,000 square meters,making it the largest filter press manufacturing base in China's central and western regions.
2012
The company has introduced a high-pressure injection molding filter plate production line worth tens of millions,achieving internationally leading standards in diaphragm filter plate manufacturing.
2014
Zhengzhou has established an international trade company,set up service centers in multiple provinces and cities across China, and opened offices in numerous countries and regions overseas, with operations spanning the globe.
2016
Dazhang Filter Press has introduced the intelligent production line technology from Germany's Klinkau GmbH+Co., securing a leading position in market share.
2019
Beijing Dazhang Filtration Engineering Technology Co., Ltd. is formally established, marking initial success of its Central China-centered national strategy and laying a solid foundation for leapfrog development.
2021
Company in Yuzhou Environmental Protection Park (Dazhang Filtration-centered): Builds provincial environmental protection base, honored as "National Little Giant' Enterprise."
2023
Sino-German Joint Venture-High-End German Standard FilterPlate Production Base Established! Dazhang Company Wins2023 Xuchang Mayor's Quality Award"
2024
Dazhang Filtration has been awarded the"China Well-KnownTrademark" and its industrial internet platform for the equipment sector has been recognized at the provincial level.
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