


Filter plates stand as a pivotal component in the sophisticated architecture of filter presses, serving to expertly navigate the intricate solid-liquid separation process. These plates are meticulously crafted to endure substantial pressure while efficiently filtering materials. The intricate design and superior materials utilized in our filter plates enhance both the productivity and efficacy of the filter press. At Shanghai Dazhang Environment Protection Equipment Co., Ltd., we harness advanced German production technologies, boasting 15 state-of-the-art automated production lines. These lines are proficient in crafting an array of filter plates, with dimensions ranging from 630x630mm to an impressive 2500x2500mm. Our dedicated R&D center specializes in product materials formula, supported by a cutting-edge filtration laboratory. Under the guidance of a distinguished senior filtration expert from Germany, our technical leadership is unparalleled. We embrace a bespoke production model, tailoring designs and manufacturing to align seamlessly with customer specifications.
Material Selection: Our filter plates are expertly engineered using premium materials such as polypropylene, polyethylene, and stainless steel. These choices ensure unparalleled corrosion resistance and robust durability under high-pressure conditions, delivering reliable performance.
Various Specifications: Our filter plates are available in an extensive range of sizes and thicknesses, meticulously customized to meet specific application requirements. This flexibility ensures seamless integration with diverse types of filter presses, optimizing performance.
Hole Structure: The surface of our filter plates is designed with precision-engineered hole shapes, enhancing filtering efficacy. This strategic design minimizes resistance during filter cake formation, maximizing efficiency and performance.
Lightweight: Constructed with cutting-edge lightweight materials, our modern filter plates are designed for effortless installation and replacement. This feature significantly boosts operational efficiency, reducing downtime and enhancing productivity.


For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industries. As principal architects of industry standards for filter presses and plates, our products dominate the Chinese market, ranking in the top three for both production and sales. Our expansive manufacturing facilities, sprawling over 570,000 square meters, are home to a dedicated team of over 1,000 skilled professionals.
We proudly stand as a pioneering smart manufacturer and an all-encompassing service provider in the realms of filter presses and sludge dewatering equipment, committed to delivering excellence.
Our robust infrastructure includes three production bases, supplemented by eight domestic offices, two international offices, two overseas subsidiaries, and a prestigious Sino-German joint venture for high-end filter plate manufacturing. We proudly hold three invention patents and over a hundred utility model patents, underscoring our commitment to innovation.
With a commitment to excellence, we have garnered numerous certifications and accolades. These include ISO 9001 Quality Management System, ISO 14001 Environmental Management System, ISO 18001 Occupational Health and Safety Management System, the revered EU's CE certification, and comprehensive insurance coverage from PICC, the People's Insurance Company of China.
We are tirelessly devoted to delivering unparalleled user experiences and crafting design solutions that are not only cost-effective but also exceptionally efficient, ensuring our clients' utmost satisfaction.








Q1. Are you a manufacturer or a trader?
We're a seasoned and reputable manufacturer strategically located in the thriving hub of Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory encompasses over 570,000 square meters, a testament to our formidable production capacity.
2 and delivers an impressive output of 9,500 machines annually, underscoring our operational prowess.
Q3. How long is the delivery time for bulk order?
Typically, our delivery timeline spans 15-30 working days post-deposit. However, for larger equipment or special customer requirements, this period may extend to ensure precision.
Q4. What are the payment terms?
Our payment terms are streamlined: a deposit via T/T initiates production post-order confirmation, with the balance due after thorough inspection, ensuring transparency and trust.
Q5. How long is the product warranty period?
We offer a comprehensive one-year warranty for standard use, complemented by a lifelong online service. Note: Wearing parts and issues arising from incorrect operation are excluded.
Q6. What's the after sale service of your company?
Our after-sales service is robust, providing clients with foundation drawings for installation, supplemented by detailed installation videos and online guidance. On-site assistance can be arranged per client needs.
Q7. Can your company provide wearing parts?
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