


Introducing the Dazhang Program Controlled Automatic High Pressure Water Washing Filter Press, an advanced version of our standard machines. It features an innovative automatic high-pressure washing system, specifically crafted to impeccably cleanse the press cloth, ensuring unparalleled cleanliness.
If your filter cloth becomes obstructed, our revolutionary cloth washing system swiftly clears any blockages using high-pressure water jets. This process remarkably accelerates filtration speeds and significantly extends the longevity of the equipment. You can select from two sophisticated types: the Single Pole Washing System or the Double Poles Washing System.
Experience the robust build of our unit, boasting an impressive maximum design pressure of 6MPa. Choose among our versatile configurations: the Single Pole Washing System, the Double Poles Washing System, and the precision-engineered Scroll Scrubbing System for optimal performance.



For over two decades, Shanghai Dazhang has demonstrated unwavering commitment to the advancement of filter presses and solid-liquid separation industries. As key contributors to the industry standards for filter presses and filter plates, our products proudly rank among the top three in production and sales across China. Our expansive manufacturing facilities span more than 570,000 square meters, employing a skilled workforce of over 1,000 professionals.
We are not just manufacturers; we are pioneers in smart manufacturing and all-encompassing service provision for filter presses and sludge dewatering equipment.
Our company boasts a robust infrastructure, comprising three major production bases, eight domestic offices, two international offices, two overseas subsidiaries, and a prestigious Sino-German joint venture focused on high-end filter plate manufacturing. We hold three invention patents alongside a portfolio of over 100 utility model patents, showcasing our dedication to innovation.
Our reputation is reinforced by an array of certifications and accolades, including the ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Management System certification, the esteemed EU's CE certification, and comprehensive insurance coverage from PICC, the People's Insurance Company of China.
Our mission is to deliver superior user experiences and design solutions that are not only cost-effective but also exceptionally efficient!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer, proudly based in the bustling city of Shanghai.
Q2. How about the production capacity of your company?
Our state-of-the-art factory spans an impressive area exceeding 570,000m
2 and is equipped to produce an astounding 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. However, for larger equipment or custom requirements, delivery times may be extended to ensure precision and quality.
Q4. What are the payment terms?
Our standard payment terms are via T/T. An initial deposit is required before production commences, with the balance due following a thorough inspection upon completion.
Q5. How long is the product warranty period?
Our products come with a one-year warranty under normal use, complemented by a lifetime of online support. Note that this excludes wear parts and issues caused by incorrect operation.
Q6. What's the after sale service of your company?
Our after-sales service is exceptional; we provide comprehensive foundation drawings for installation, coupled with detailed installation videos and online support. Should you require onsite assistance, our team is prepared to accommodate your specific needs.
Q7. Can your company provide wearing parts?
Absolutely, we manufacture quality wearing parts for our valued clients. If your equipment is not from our brand, please supply detailed drawings of the required parts for compatibility.