


Introducing the Dazhang Program-Controlled Automatic High Pressure Water Washing Filter Press, an innovative solution that elevates the standard machine by integrating an automatic high pressure washing system. This feature is indispensable for ensuring pristine cleanliness of the press cloth, enhancing both performance and longevity.
When the filter cloth becomes clogged, our cutting-edge cloth washing system comes into play. Utilizing powerful high-pressure water jets, it efficiently removes blockages, thereby boosting filtration speed and extending the lifespan of the equipment. Available in two advanced configurations: the Single Pole Washing System and the Double Poles Washing System.
Crafted to withstand extreme conditions, this device boasts a maximum design pressure of 6 MPa. Our offerings include diverse cleaning systems: the Single Pole Washing System, Double Poles Washing System, and the highly effective Scroll Scrubbing System, all engineered for optimal performance.



For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industries. As principal authors of industry standards, our products consistently rank among the top three in production and sales in China. Our expansive manufacturing facilities span more than 570,000 square meters, supported by a dedicated workforce exceeding 1,000 professionals.
We proudly stand as a forward-thinking manufacturer and a comprehensive service provider in the realm of filter presses and sludge dewatering equipment.
Our robust infrastructure includes three production bases, eight domestic offices, two international offices, two overseas subsidiaries, and a strategic Sino-German joint venture for manufacturing high-end filter plates. Our intellectual property portfolio boasts three invention patents and over 100 utility model patents.
Our commitment to excellence is reflected in the numerous certifications and accolades we have earned, including ISO 9001 Quality Management, ISO 14001 Environmental Management, and ISO 18001 Occupational Health and Safety certifications. Additionally, we hold the prestigious EU CE certification and are backed by insurance from PICC, the People's Insurance Company of China.
We are relentless in our pursuit to deliver superior user experiences, coupled with the most cost-effective and efficient design solutions tailored to your needs.








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer proudly based in Shanghai, committed to excellence.
Q2. How about the production capacity of your company?
Our expansive factory extends over an area of 570,000 square meters,
2 and has the capability to produce an impressive 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, delivery occurs within 15-30 working days post-deposit. However, for larger equipment or special customer requirements, delivery timelines may be adjusted accordingly.
Q4. What are the payment terms?
Our standard payment terms are through T/T. A deposit is required before production post-order confirmation, with the balance due following inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty under normal usage, complemented by lifelong online service. Note: wear and tear or issues arising from operational errors are not covered.
Q6. What's the after-sale service of your company?
We provide comprehensive support, including detailed foundation drawings for installation, instructional videos, and online guidance. On-site assistance by our team can be arranged based on your specific requirements.
Q7. Can your company provide wearing parts?
Yes, we manufacture wearing parts for our products. If your equipment was not produced by us, simply provide the necessary parts drawings, and we will assist accordingly.