


Introducing the Dazhang Program Controlled Automatic High Pressure Water Washing Filter Press: an advanced system that integrates an automatic high-pressure washing mechanism atop the standard filter press. This ingenious addition is specifically designed to meticulously clean press cloths, ensuring your equipment remains in peak condition.
When encountering blockages in the filter cloth, our sophisticated cloth washing system steps in. Utilizing high-pressure water, it thoroughly cleans the obstructed solids, accelerating the filtering process and significantly extending the lifespan of your equipment. Choose between our Single Pole Washing System or the robust Double Poles Washing System, tailored to meet your specific needs.
Boasting a maximum design pressure of 6mpa, this device is available in several innovative configurations: Single Pole Washing System, Double Poles Washing System, and the highly efficient Scroll Scrubbing System. Whatever your requirements, we provide a solution that adapts seamlessly to your operations.



For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industry. As key contributors to the drafting of industry standards for filter presses and plates, our products consistently rank among the top three in production and sales across China. Spanning a vast area of more than 570,000 square meters, our state-of-the-art facilities employ upwards of 1,000 dedicated professionals.
As a cutting-edge manufacturer and comprehensive service provider, we specialize in the production of innovative filter presses and sludge dewatering equipment, delivering unmatched quality and reliability.
Our expansive network comprises three production bases, eight domestic offices, two international offices, two overseas subsidiaries, and a prestigious Sino-German joint venture focused on high-end filter plate manufacturing. Proud holders of three invention patents and over a hundred utility model patents, we stand at the pinnacle of innovation.
Shanghai Dazhang's commitment to excellence is recognized through numerous accolades and certifications, including ISO 9001 for Quality Management, ISO 14001 for Environmental Management, ISO 18001 for Occupational Health and Safety, the EU's CE certification, and comprehensive coverage from PICC, the People's Insurance Company of China.
We are driven to enhance user experiences by offering the most cost-effective and efficient design solutions available on the market today.








Q1. Are you a manufacturer or a trader?
We proudly operate as an experienced manufacturer, strategically located in the heart of Shanghai.
Q2. How about the production capacity of your company?
Our expansive facilities span over 570,000 square meters,
2 and are capable of producing an impressive 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, delivery occurs 15-30 working days post-deposit. However, for larger equipment or specialized requests, timelines may be extended to accommodate.
Q4. What are the payment terms?
Standard terms include T/T payments, with a deposit required to initiate production after order confirmation. The balance payment is due post-inspection, ensuring customer satisfaction.
Q5. How long is the product warranty period?
Our products come with a one-year warranty under normal use, complemented by lifelong online support. Note that wear parts and damage due to improper handling are excluded.
Q6. What's the after-sale service of your company?
We offer comprehensive after-sale services, providing foundation drawings for installation, along with instructional videos and online support. On-site assistance by our technicians can be arranged as per your specific requirements.
Q7. Can your company provide wearing parts?
Yes, we manufacture wearing parts for all our equipment. If your equipment is produced elsewhere, simply supply the wearing parts drawing for us to fabricate.