


Introducing the Dazhang Program-controlled Automatic High-Pressure Water Washing Filter Press, an advanced innovation that integrates an automatic high-pressure washing system into a standard machine. This state-of-the-art technology is expertly designed to meticulously clean the press cloth, ensuring superior performance and cleanliness.
When the filter cloth becomes obstructed, the advanced cloth washing system activates, utilizing high-pressure water to effectively remove blocked solids. This innovative solution significantly accelerates filtering speed and extends the lifespan of the equipment. The system is available in two sophisticated variants: the Single Pole Washing System and the Double Poles Washing System.
With a remarkable maximum design pressure of 6 MPa, this device offers multiple configurations, including the Single Pole Washing System, Double Poles Washing System, and the innovative Scroll Scrubbing System, catering to diverse operational needs.



For over two decades, Shanghai Dazhang has been a pioneering leader in the filter press and solid-liquid separation industries. As principal contributors to the industry standards for filter presses and filter plates, our products consistently rank among the top three in China for both production and sales volume. Our expansive manufacturing facilities span over 570,000 square meters and employ an expert team of more than 1,000 professionals.
As an intelligent manufacturer and all-encompassing service provider, we specialize in filter presses and sludge dewatering equipment, delivering unmatched quality and service.
Our company boasts three advanced production bases, eight domestic offices, two international offices, alongside two overseas subsidiaries, and a strategic Sino-German joint venture dedicated to high-end filter plate manufacturing. We hold an impressive array of intellectual property, including three invention patents and over 100 utility model patents.
Shanghai Dazhang has been recognized with numerous prestigious certifications and accolades, such as the ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 18001 Occupational Health and Safety Management System certification, and the esteemed EU CE certification. Additionally, we are secured by PICC, the People's Insurance Company of China.
Our mission is to provide users with superior experiences through innovative, cost-effective, and highly efficient design solutions, setting new standards in the industry!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer based in the vibrant city of Shanghai, bringing years of expertise to the industry.
Q2. How about the production capacity of your company?
Our expansive factory covers over 570,000 square meters
2 and is capable of producing up to 9,500 sophisticated machines annually.
Q3. How long is the delivery time for bulk orders?
Typically, bulk orders are fulfilled within 15-30 working days post-deposit. However, for larger equipment or special client specifications, delivery time may be extended to ensure the highest quality.
Q4. What are the payment terms?
Our payment terms generally involve T/T, with an initial deposit required before production commences following order confirmation, and the balance due after inspection is complete.
Q5. How long is the product warranty period?
Our products come with a one-year warranty under normal usage conditions, complemented by lifelong online service support. Please note that the warranty excludes wearing parts and issues caused by user error.
Q6. What's the after-sales service of your company?
We provide comprehensive support post-purchase, including foundation drawings for installation, detailed installation videos, and online guidance. On-site support by our skilled technicians can be arranged according to client requirements.
Q7. Can your company provide wearing parts?
Absolutely, we manufacture wearing parts for our products. For equipment not produced by us, please provide detailed wearing parts drawings, and we will gladly assist.