


The Dazhang Program-controlled Automatic High-Pressure Water Washing Filter Press is an innovation that elevates traditional machinery by incorporating an advanced automatic high-pressure washing system. This sophisticated enhancement is specifically designed to effortlessly cleanse the press cloth, ensuring optimal operation and performance.
When the filter cloth becomes clogged, our state-of-the-art cloth washing system springs into action, utilizing high-pressure water to effectively remove obstructive solids, thereby boosting the filtering speed and significantly extending the lifespan of the equipment. Choose between our Single Pole Washing System and the Double Poles Washing System, each engineered for peak efficiency.
Boasting a maximum design pressure of 6 Mpa, our device is available in various sophisticated types, including the Single Pole Washing System, the Double Poles Washing System, and the innovative Scroll Scrubbing System. Each option is crafted to meet diverse filtering needs with unparalleled precision.



For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industries. As chief architects of the industry's standards for filter presses and plates, our products consistently rank among the top three in China for production and sales. Our expansive manufacturing facilities, spanning over 570,000 square meters, employ more than 1,000 dedicated professionals committed to excellence.
We pride ourselves as an intelligent manufacturer and a comprehensive service provider in the realm of filter presses and sludge dewatering equipment, ensuring innovative solutions and unmatched quality.
Our company currently commands 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 the manufacture of high-end filter plates. Our impressive intellectual property portfolio includes three invention patents and over 100 utility model patents.
Our prestigious certifications and accolades include the ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Management System certification, the EU's CE certification, and comprehensive insurance coverage from PICC, the People's Insurance Company of China.
With an unwavering commitment to excellence, we are dedicated to providing users with superior experiences and cost-effective, high-efficiency design solutions that set industry benchmarks.








Q1. Are you a manufacturer or a trader?
We're a seasoned manufacturer with a prominent presence in Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory spans over 570,000 square meters,
producing an impressive 9,500 sets of 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 custom specifications, delivery timelines may extend to accommodate these unique requirements.
Q4. What are the payment terms?
Our standard payment terms involve a T/T deposit to commence production upon order confirmation, followed by a balance payment upon successful inspection.
Q5. How long is the product warranty period?
We offer a one-year warranty for normal use, complemented by lifelong online service. It's important to note that wear and tear, as well as issues arising from improper handling, are not covered.
Q6. What's the after-sale service of your company?
We provide clients with detailed foundation drawings for seamless installation, along with comprehensive installation videos and online support. If on-site assistance is required, we can arrange for our technicians to provide personal guidance, tailored to your needs.
Q7. Can your company provide wearing parts?
Absolutely, we manufacture wearing parts for our equipment. If your machines are from another manufacturer, simply supply us with the wearing parts drawings, and we will accommodate your requirements.