


Introducing the Dazhang Program-Controlled Automatic High-Pressure Water Washing Filter Press! This innovative machine enhances the standard model with a state-of-the-art automatic high-pressure washing system, meticulously designed to purify and rejuvenate press cloths with utmost efficiency.
When your filter cloth encounters blockages, our advanced cloth washing system comes to the rescue. Utilizing high-pressure water, it thoroughly cleanses blocked solids, remarkably boosting filtering speed and significantly extending the lifespan of the equipment. Available in two sophisticated designs: the Single Pole Washing System and the Double Poles Washing System.
Engineered for excellence, our device supports a maximum design pressure of 6 MPa. Choose from a versatile range of options: Single Pole Washing System, Double Poles Washing System, and the cutting-edge Scroll Scrubbing System, each tailored to meet diverse operational needs.



For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industry. As pioneering authors of industry standards for filter presses and filter plates, our products consistently rank among the top three in China in both production and sales volume. Spanning an impressive 570,000 square meters, our state-of-the-art manufacturing facilities are home to more than 1,000 skilled professionals.
We pride ourselves as a leading smart manufacturer and comprehensive service provider of filter presses and sludge dewatering equipment, committed to innovation and excellence.
Our expansive operations include three production bases, eight domestic offices, two international offices, and two overseas subsidiaries. We are also proud partners in a Sino-German joint venture dedicated to high-end filter plate manufacturing. Our impressive portfolio boasts three invention patents and over 100 utility model patents.
Accolades and certifications adorn our walls, including ISO 9001, ISO 14001, and ISO 18001 certifications, alongside the prestigious EU CE certification. Our reliability is further bolstered by insurance coverage from PICC, the People's Insurance Company of China.
Our mission is to deliver superior experiences with cost-effective, efficient design solutions, ensuring utmost customer satisfaction and value!








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 expansive factory spans over 570,000 square meters,
2 and our prolific production scales up to an impressive 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, deliveries are fulfilled within 15-30 working days post-deposit. For larger equipment or unique customer specifications, delivery timelines may be extended to accommodate bespoke requirements.
Q4. What are the payment terms?
Standard terms are T/T. A deposit initiates production following order confirmation, with the balance due upon successful inspection.
Q5. How long is the product warranty period?
Enjoy a one-year warranty under normal use, complemented by lifelong online support. Please note that wearing parts and issues arising from incorrect operation are not covered.
Q6. What's the after sale service of your company?
We furnish clients with comprehensive foundation drawings for seamless installation. Additionally, installation videos and online guidance are readily available. Should on-site assistance be desired, our team stands ready to accommodate your specific needs.
Q7. Can your company provide wearing parts?
Absolutely, we manufacture wearing parts for our valued clients. For equipment not sourced from us, simply provide the wearing parts drawing for precise replication.