


Introducing the Dazhang Program Controlled Automatic High Pressure Water Washing Filter Press, a cutting-edge innovation that elevates the standard filter press by integrating an advanced automatic high-pressure washing system. This remarkable enhancement is primarily designed to effectively cleanse the press cloth, ensuring unparalleled efficiency in your operations.
When filter cloth encounters blockages, our sophisticated cloth washing system comes to the rescue. Utilizing high-pressure water, it skillfully eradicates obstructive solids, thereby accelerating the filtering process and significantly extending the lifespan of the equipment. We offer two distinct options for your specific needs: the Single Pole Washing System and the Double Poles Washing System.
With an impressive maximum design pressure of 6 Mpa, our versatile device is available in multiple configurations: the Single Pole Washing System, Double Poles Washing System, and the innovative Scroll Scrubbing System, tailored to meet diverse demands.



For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industry. As the principal architects of the industry's standards for filter presses and plates, we proudly secure a top-three position in production and sales within China. Our expansive manufacturing facilities span over 570,000 square meters, supported by a dedicated team of over 1,000 professionals.
We are a visionary smart manufacturer and a comprehensive service provider for premium filter presses and advanced sludge dewatering equipment, committed to excellence.
Our company boasts three world-class production bases, eight strategic domestic offices, two international offices, two dynamic overseas subsidiaries, and a Sino-German joint venture specializing in high-end filter plate manufacturing. We proudly hold three prestigious invention patents and over 100 valuable utility model patents.
Our achievements are backed by a multitude of certifications and honors, including the ISO 9001 Quality Management System, ISO 14001 Environmental Management System, ISO 18001 Occupational Health and Safety Management System, as well as the EU's esteemed CE certification. We are also insured by PICC, the People's Insurance Company of China, underscoring our commitment to excellence.
We are committed to providing our users with superior experiences through more cost-effective and highly efficient design solutions, ensuring satisfaction at every step.








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer, proudly based in the vibrant city of Shanghai, with a legacy of excellence.
Q2. How about the production capacity of your company?
Our state-of-the-art factory spans over an impressive area of 570,000 square meters,
2 and is capable of producing an impressive 9,500 machines annually, showcasing our robust production capacity.
Q3. How long is the delivery time for bulk order?
Our standard delivery timeframe is 15-30 working days post-deposit. However, for larger equipment or when specific customer requirements arise, we offer flexible extensions to accommodate your needs.
Q4. What are the payment terms?
Our payment terms are typically conducted via T/T: a deposit is required prior to commencing production once the order is confirmed, followed by the balance payment post-inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty for standard use, complemented by lifetime online service. Please note that this does not include wearing parts or issues as a result of operator error.
Q6. What's the after sale service of your company?
We provide comprehensive after-sales support, including foundation drawings for installation, instructional videos, and online guidance. Should on-site assistance be required, our team is ready to accommodate your specific needs upon agreement.
Q7. Can your company provide wearing parts?
Indeed, we manufacture wearing parts for our clients. If your equipment was not produced by us, simply supply the drawing of the required parts for seamless service.