


Introducing the Dazhang Program Controlled Automatic High-Pressure Water Washing Filter Press – a breakthrough innovation designed to elevate efficiency and environmental responsibility. This sophisticated machine integrates an automatic high-pressure washing system, expertly engineered to cleanse the press cloth with unparalleled precision.
When your filter cloth experiences blockages, our high-pressure washing system steps in to meticulously unclog and restore optimal function, enhancing both filtering speed and lifespan. Choose from two advanced configurations: the Single Pole Washing System and the Double Poles Washing System.
Designed to endure with a maximum pressure rating of 6 MPa, our device offers versatility with options including the Single Pole Washing System, Double Poles Washing System, and the innovative Scroll Scrubbing System.



For over two decades, Shanghai Dazhang has been a pioneer in the filter press and solid-liquid separation industries. As a leading force in drafting industry standards, our products consistently rank among China's top three in production and sales. Our sprawling facilities span 570,000 square meters, employing a dedicated team of over 1,000 professionals.
Our company proudly stands as a smart manufacturer and comprehensive service provider, specializing in cutting-edge filter presses and sludge dewatering equipment.
Our global footprint includes three state-of-the-art 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. We hold three invention patents and over 100 utility model patents.
We are honored with numerous certifications, such as the ISO 9001 Quality Management System, ISO 14001 Environmental Management System, ISO 18001 Occupational Health and Safety Management System, EU CE certification, and insurance coverage by PICC, the People's Insurance Company of China.
Our mission is to deliver superior user experiences with design solutions that are not only cost-effective but also incredibly efficient.








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer based in the bustling city of Shanghai, bringing years of expertise to the table.
Q2. How about the production capacity of your company?
Our expansive factory covers a remarkable area of over 570,000 square meters,
2 and we are capable of producing an impressive 9,500 machines each year.
Q3. How long is the delivery time for bulk order?
Typically, we assure delivery within 15-30 working days post-deposit. However, for larger or bespoke equipment, timelines may extend to accommodate specific customer requirements.
Q4. What are the payment terms?
Our standard payment terms are via T/T, entailing an initial deposit prior to production commencement and a balance payment upon successful inspection.
Q5. How long is the product warranty period?
We offer a comprehensive one-year warranty under normal usage conditions, with lifelong online service support. Please note, this excludes wear and tear or damage due to improper handling.
Q6. What's the after sale service of your company?
We provide detailed installation foundation drawings, supplemented by instructional videos and online support. On-site installation assistance by our experts is also available upon request, ensuring seamless setup.
Q7. Can your company provide wearing parts?
Certainly, we offer manufacturing of wearing parts for our esteemed clients. For equipment sourced elsewhere, kindly furnish us with detailed drawings for accurate production.