


Introducing the Dazhang Program's cutting-edge feature: the automatic high-pressure water washing filter press. This innovative addition enhances the conventional machine with an advanced automatic high-pressure washing system, meticulously designed for seamless cleaning of press cloth.
When your filter cloth encounters blockages, our powerful cloth washing system comes into play, efficiently clearing obstructions with high-pressure water. This not only accelerates the filtering process but also extends the lifespan of the equipment. Our offerings include Single Pole and Double Poles Washing Systems for versatile needs.
Engineered for excellence, our device boasts a maximum design pressure of 6 MPa. Explore our diverse range, including the single pole washing system, double poles washing system, and the innovative Scroll Scrubbing System.



For over two decades, Shanghai Dazhang has passionately advanced the filter presses and solid-liquid separation industries. As principal drafters of industry standards, our products proudly stand among China's top three in production and sales. Our expansive manufacturing facilities span over 570,000 square meters, with a dedicated team of more than 1,000 professionals.
We are pioneers in smart manufacturing and offer comprehensive services in the realms 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 prestigious Sino-German joint venture for premium filter plate production. Our innovation is underscored by three invention patents and over 100 utility model patents.
We proudly bear numerous accolades and certifications such as ISO 9001 Quality Management, ISO 14001 Environmental Management, ISO 18001 Occupational Health and Safety Management, the esteemed EU's CE certification, and insurance coverage from the People's Insurance Company of China (PICC).
Our commitment is to deliver unparalleled user experiences coupled with cost-effective and highly efficient design solutions that stand out.








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer headquartered in the bustling city of Shanghai.
Q2. How about the production capacity of your company?
Our impressive factory spans over 570,000 square meters
2 and boasts an annual production capacity of 9,500 machine sets.
Q3. How long is the delivery time for bulk order?
Typically, delivery occurs within 15-30 working days post-deposit. For large equipment or under special customer requirements, delivery timelines may be extended.
Q4. What are the payment terms?
Our standard terms involve T/T payments: an initial deposit is required before commencing production post-order confirmation, with the balance due upon inspection completion.
Q5. How long is the product warranty period?
Enjoy peace of mind with a one-year warranty for normal use, complemented by lifelong online service support. Please note, wear parts and damage due to incorrect operation are exempt.
Q6. What's the after sale service of your company?
We offer clients detailed foundation drawings for installation, alongside instructional videos and online guidance. On-site installation assistance can be arranged as per your requirements.
Q7. Can your company provide wearing parts?
Yes, we manufacture wearing parts for our products. If your equipment is from another manufacturer, kindly supply the drawings for the parts you need.