


Filter plates stand as the cornerstone of filter presses, integral to the solid-liquid separation process with their ability to filter and resist pressure. The ingenuity in design and the premium materials used in these filter plates are pivotal in enhancing the operational efficiency and processing precision of filter presses. At Shanghai Dazhang Environment Protection Equipment Co., Ltd., we harness cutting-edge German technology and sophisticated production methodologies across fifteen automated lines, crafting an expansive range of filter plates from 630x630mm to 2500x2500mm. Boasting a dedicated R&D center and a filtration laboratory helmed by a seasoned German expert, we specialize in customized production, tailoring designs to meet specific client demands.
Material Selection: Our filter plates are meticulously crafted from high-performance polypropylene, polyethylene, and stainless steel, guaranteeing exceptional corrosion resistance and resilience under high pressure.
Various Specifications: Embracing versatility, our filter plates are available in an array of sizes and thicknesses, customizable to suit distinct application requirements and diverse filter press types.
Hole Structure: Designed with precision-engineered hole patterns, the surface of our filter plates ensures superior filtration efficiency and minimizes resistance, optimizing the formation of the filter cake.
Lightweight: Incorporating modern, lightweight materials, our filter plates are engineered for easy installation and replacement, significantly boosting operational efficacy.


For over two decades, Shanghai Dazhang has passionately pioneered innovations in the filter press and solid-liquid separation industry. As a key contributor to industry standards, our products are consistently ranked among China's top three for production and sales. Our expansive facilities span over 570,000 square meters and house a dedicated team of over 1,000 professionals.
We stand as a beacon of smart manufacturing, offering comprehensive solutions in filter presses and sludge dewatering equipment, tailored to meet diverse industry needs.
Strategically positioned, our company operates three production bases alongside eight domestic and two international offices. Our portfolio includes two overseas subsidiaries and a prestigious Sino-German joint venture, enriching our high-end filter plate manufacturing capabilities. We pride ourselves on our intellectual property, holding three invention patents and over 100 utility model patents.
Our dedication to excellence is underscored by a suite of certifications and accolades, including ISO 9001 for Quality Management, ISO 14001 for Environmental Management, ISO 18001 for Occupational Health and Safety, the EU's CE Mark, and coverage from PICC, China's leading insurance provider.
We are committed to delivering unparalleled user experiences, coupled with innovative, cost-effective, and efficient design solutions that redefine industry standards.








Q1. Are you a manufacturer or a trader?
We're a seasoned manufacturer proudly based in the dynamic city of Shanghai.
Q2. How about the production capacity of your company?
Our state-of-the-art facilities encompass an impressive area of over 570,000 square meters,
2 enabling the production of an astounding 9,500 machine sets annually.
Q3. How long is the delivery time for bulk order?
Typically, delivery spans 15-30 working days post-deposit, though extended timelines may apply for sizable equipment or specific customer requirements.
Q4. What are the payment terms?
Standard terms involve T/T payments, with an initial deposit required prior to production, followed by balance settlement post-inspection.
Q5. How long is the product warranty period?
We offer a robust one-year warranty for standard usage, complemented by lifelong online support, excluding wear and tear or user-induced issues.
Q6. What's the after sale service of your company?
Clients receive comprehensive support, including foundation drawings, installation videos, and online guidance. On-site assistance by our experts is available upon agreement.
Q7. Can your company provide wearing parts?
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