Dazhang Filtration Equipment Co., Ltd., established in Shanghai in 2004, is an integrated supplier of solid-liquid separation equipment and engineering solutions provider encompassing production, manufacturing, research, sales, and international trade. The company operates five major production and R&D bases in Shanghai and Henan, covering a total area of 570,000 square metres with over 1,000 employees, making it the largest filter press production base in China’s central and western regions.
The company’s product range includes plate-and-frame filter presses, chamber filter presses, diaphragm filter presses, belt filter presses, and stainless steel filters. These are extensively utilised across environmental protection, mining, metallurgy, pharmaceuticals, petroleum, chemical engineering, coal, and food industries for applications such as municipal sewage sludge dewatering, mine tailings solidification, food and beverage clarification filtration, and pharmaceutical extract purification. The company possesses comprehensive turnkey project capabilities encompassing design, manufacturing, installation, and commissioning, delivering integrated one-stop solutions to clients with promising market prospects.
The company holds certifications including ISO9001 Quality Management, ISO14001 Environmental Management, ISO45001 Occupational Health and Safety Management, GB/T29490 Intellectual Property Management, GB/T23001 Two-in-One Integration Management, and EU CE product certification. It has secured over 120 patent authorisations, comprising 10 invention patents and 15 software copyrights. It has participated in drafting and formulating five industry standards and revising four national standards, with core technologies reaching internationally advanced levels.
As a global leader in solid-liquid separation equipment, Dazhang Filtration has dedicated two decades to delivering premium, efficient, and customised filtration solutions to clients worldwide, earning extensive recognition and trust in international markets. We look forward to establishing long-term, stable partnerships with you, providing superior filtration solutions to empower your business towards more efficient and greener development.
Established in Shanghai in 2004
Covering a total area of 570,000 square metres
Over 1,000 employees
More than 120 patents granted in total
Dazhang Filtration is the largest filter press manufacturing base in central and western China and serves as a vice-chairman unit of the Separation Machinery Branch of the China General Machinery Industry Association.
The company has obtained ISO 9001 (Quality), ISO 14001 (Environmental), ISO 45001 (Occupational Health and Safety), GB/T 29490 (Intellectual Property), and EU CE product certifications. It has been granted a total of over 120 patents, including 10 invention patents and 15 software copyrights.
The company has participated in the drafting and formulation of five industry standards and the revision of four national standards.
Leveraging our professional design team — providing clients with planning and design consulting services and tailored solutions
Leveraging our robust manufacturing capabilities — providing clients with filtration equipment that offers stable performance and superior quality
Leveraging our construction, operations, and professional on-site service teams — providing clients with comprehensive technical support and high-end, one-stop services
Company Mission: Meeting customer needs is the fundamental requirement for everyone at Dazhang; exceeding customer expectations is our eternal pursuit!Dazhang Filter Press, Think What You Care!
A: Assess the supplier’s expertise and experience; 2. Evaluate the supplier’s product quality and performance; 3. Examine the supplier’s after-sales service and support.
A: For over 20 years, Dazhang Filtration has specialized in solid-liquid separation. From product sales to R&D and design, and from filter press equipment to engineering project services, we have successfully completed tens of thousands of sludge and wastewater treatment projects. With our extensive experience, we are able to respond quickly to customer needs and provide timely, efficient service.
A: When selecting a filter press, you should determine the filtration area based on your production scale and processing capacity. You should also select the required pressure, appropriate materials, and level of automation based on the characteristics of the material and the difficulty of filtration, and prioritize manufacturers with comprehensive after-sales service.
A: Generally speaking, there are plate-and-frame filter presses, chamber filter presses, and diaphragm filter presses. Different industries have different needs, so choosing the right equipment ensures smooth production.
