


Introducing the Dazhang Program's cutting-edge automatic high-pressure water washing filter press, which features an innovative automatic high-pressure washing system, building upon the standard machine. This state-of-the-art system is primarily utilized for the meticulous cleansing of press cloth, ensuring optimal performance.
In scenarios where the filter cloth encounters blockages, our advanced cloth washing system employs high-pressure water to effectively clear the obstructions. This not only accelerates the filtering process but also significantly extends the lifespan of the equipment. Customers can choose between two sophisticated variants: the Single Pole Washing System and the Double Poles Washing System.
The device is engineered to withstand a maximum design pressure of 6mpa and is available in multiple configurations to cater to diverse needs: the Single Pole Washing System, Double Poles Washing System, and the Scroll Scrubbing System.



For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industries. As principal contributors to the establishment of industry standards for filter presses and filter plates, our products consistently rank among the top three in production and sales within China. Our expansive manufacturing facilities span an impressive 570,000 square meters and are staffed by over 1,000 dedicated professionals.
We pride ourselves as an intelligent manufacturer and a comprehensive service provider in the realm of filter presses and sludge dewatering equipment.
Our company's infrastructure boasts three state-of-the-art production bases, eight domestic offices, two international offices, two overseas subsidiaries, and a prestigious Sino-German joint venture dedicated to high-end filter plate manufacturing. Our innovative prowess is evidenced by three invention patents and over 100 utility model patents.
We have garnered an array of certifications and accolades, including the esteemed ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Management System certification, the EU's revered CE certification, and robust insurance coverage from PICC, the People's Insurance Company of China.
We passionately commit to providing our clients with superior user experiences, coupled with more cost-effective and efficient design solutions that meet their every need!








Q1. Are you a manufacturer or a trader?
We're a seasoned manufacturer strategically located in the dynamic city of Shanghai.
Q2. How about the production capacity of your company?
Our factory impressively spans over an area of 570,000 square meters,
2 and remarkably manufactures 9,500 machine sets annually, showcasing our robust production capabilities.
Q3. How long is the delivery time for bulk orders?
Typically, delivery is executed within 15-30 working days post-deposit. However, for larger equipment or custom requirements, the delivery timeframe may be extended to accommodate special requests.
Q4. What are the payment terms?
Our standard payment terms are via T/T. We require a deposit prior to the commencement of production once the order is confirmed, with the balance payment due post-inspection.
Q5. How long is the product warranty period?
We provide a one-year warranty for standard usage, complemented by a lifetime of online service support. Please note, wear and tear parts and issues caused by operator error are not included.
Q6. What's the after-sales service of your company?
To ensure seamless installation, we offer clients detailed foundation drawings. Additionally, we provide installation videos and online guidance. Should clients require on-site assistance, our skilled workers can be dispatched as per your needs.
Q7. Can your company provide wearing parts?
Absolutely, we manufacture wearing parts for our esteemed clients. If your equipment is sourced from another manufacturer, simply provide us with the necessary wearing parts drawing so we can assist you.