


Introducing the Dazhang Program Controlled Automatic High-Pressure Water Washing Filter Press, a revolutionary upgrade to the conventional machinery. It integrates an advanced, automatic high-pressure washing system, expertly designed to maintain the impeccable cleanliness of the press cloth, ensuring peak performance at all times.
In instances where the filter cloth becomes obstructed, the innovative cloth washing system springs into action. By employing high-pressure water to dislodge accumulated solids, this system not only boosts filtration speed but also significantly extends the lifespan of the machinery. Available configurations include the Single Pole Washing System and the efficient Double Poles Washing System.
Engineered for excellence, the device boasts a maximum design pressure of 6 MPa. It comes in several variants tailored to meet diverse needs: the Single Pole Washing System, Double Poles Washing System, and the ingenious Scroll Scrubbing System.



For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industries. As key contributors to national industry standards for filter presses and plates, our products are consistently among the top three in production and sales within China. Spanning an impressive 570,000 square meters, our state-of-the-art manufacturing facilities employ a dedicated team of over 1,000 professionals.
We pride ourselves on being an intelligent manufacturer and a holistic service provider, expertly navigating the realms of filter presses and sludge dewatering solutions.
Our extensive infrastructure boasts three production bases, eight domestic offices, two international offices, and two overseas subsidiaries. Additionally, we operate a Sino-German joint venture focusing on high-end filter plate manufacturing. Our portfolio includes three invention patents and over 100 utility model patents, underscoring our commitment to innovation.
Proud recipients of numerous accolades, we have secured ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Management System certification, as well as the prestigious EU's CE certification. Our products are insured by PICC, the People's Insurance Company of China, ensuring peace of mind.
Our relentless pursuit is to offer unparalleled user experiences, delivering design solutions that are not only cost-effective but also exceptionally efficient.








Q1. Are you a manufacturer or a trader?
We proudly stand as an experienced manufacturer, rooted in the bustling city of Shanghai.
Q2. How about the production capacity of your company?
Our sprawling factory covers an area exceeding 570,000 square meters,
2 and boasts a remarkable production capacity of 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, delivery is completed within 15-30 working days post-deposit. However, for larger equipment or customized requirements, an extended delivery timeline may be necessary.
Q4. What are the payment terms?
Our payment terms generally involve T/T. An initial deposit is required prior to production commencement, with the balance due after product inspection.
Q5. How long is the product warranty period?
The standard warranty period is one year for normal use, accompanied by lifelong online service support. Exemptions include wear-and-tear parts and damages due to operator misuse.
Q6. What's the after sale service of your company?
We provide clients with foundation drawings for seamless installation. Additionally, we offer comprehensive installation videos and online guidance. Should you require onsite assistance, arrangements can be made to accommodate your needs.
Q7. Can your company provide wearing parts?
We are equipped to manufacture wearing parts for our clients. For equipment not originally supplied by us, please provide the requisite wearing parts drawings for assistance.