


Discover the Dazhang Program: a marvel of technological advancement featuring an automatic high-pressure water washing filter press. This sophisticated system builds upon our standard machine with the addition of an automatic high-pressure washing system, expertly engineered for the meticulous cleaning of press cloth.
When your filter cloth becomes obstructed, unleash the power of our cloth washing system to blast away blockages with high-pressure water. This innovation not only revitalizes your filter cloth but also accelerates the filtration process and extends the lifespan of the equipment. Choose from our two distinct offerings: the Single Pole Washing System and the Double Poles Washing System.
Our filter press boasts an impressive maximum design pressure of 6MPa. It comes in various configurations, including the Single Pole Washing System, Double Poles Washing System, and the innovative Scroll Scrubbing System, each designed to meet diverse needs.



For over twenty-one years, Shanghai Dazhang has been a beacon of excellence in the realm of filter presses and solid-liquid separation technology. As leading contributors to the industry standards for filter presses and plates, our products consistently rank among the top three in China for production and sales. Spanning a vast 570,000 square meters, our state-of-the-art manufacturing facilities employ a dedicated workforce of more than 1,000 professionals.
We stand proudly as a pioneering smart manufacturer and all-encompassing service provider specializing in filter presses and advanced sludge dewatering equipment.
Our enterprise is bolstered by three production bases, eight strategic domestic offices, two international branches, two overseas subsidiaries, and a prestigious Sino-German joint venture focused on high-end filter plate production. We are proud to hold three invention patents and over 100 utility model patents.
Our commitment to excellence is evidenced by our numerous certifications and accolades, including ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Management System certification, the distinguished EU CE certification, and comprehensive insurance coverage from PICC, the People's Insurance Company of China.
Our mission is to elevate user experiences by delivering more effective, economical, and innovative design solutions, tailored to meet the unique needs of our customers.








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer with our base of operations in Shanghai, bringing years of expertise and proven performance to the industry.
Q2. How about the production capacity of your company?
Our sprawling factory covers an impressive area exceeding 570,000 square meters,
2 and is capable of producing a remarkable 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, our delivery timeline ranges from 15 to 30 working days post-deposit. For larger equipment or customized orders with specific requirements, the delivery period may be extended to accommodate your needs.
Q4. What are the payment terms?
Our standard payment protocol involves an initial deposit via T/T to commence production upon order confirmation, followed by a balance payment after inspection.
Q5. How long is the product warranty period?
We offer a one-year warranty under normal usage conditions, supplemented with lifelong online service. Please note that this does not cover wear and tear or damages resulting from incorrect operation by personnel.
Q6. What's the after sale service of your company?
Our commitment to comprehensive after-sales service includes providing clients with foundation drawings for installation, along with instructional videos and online support. Additionally, site visits by our skilled workers can be arranged to suit your requirements.
Q7. Can your company provide wearing parts?
Absolutely, we manufacture wearing parts for our clients. Should your equipment be sourced from another company, simply supply us with the drawings of the required wearing parts.