


Introducing the Dazhang Program Controlled Automatic High-Pressure Water Washing Filter Press, a revolutionary enhancement that elevates the traditional machine by integrating an automatic high-pressure washing system. This advanced feature is primarily designed to impeccably cleanse the press cloth, ensuring optimal performance and longevity.
In situations where the filter cloth becomes obstructed, our sophisticated cloth washing system steps in, harnessing the power of high-pressure water to effectively clear any blockages. This innovative solution not only accelerates the filtration process but also significantly extends the lifespan of the equipment. Our device is available in two configurations: the Single Pole Washing System and the Double Poles Washing System.
With a formidable maximum design pressure of 6MPa, our device showcases exceptional versatility through its diverse offerings, including the Single Pole Washing System, the Double Poles Washing System, and the state-of-the-art Scroll Scrubbing System.



For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industry. As principal architects of the industry's standards for filter presses and plates, we proudly rank among the top three in China for both production and sales. Our expansive manufacturing facilities exceed 570,000 square meters, and our dedicated team comprises more than 1,000 professionals.
We pride ourselves on being a cutting-edge manufacturer and a comprehensive service provider specializing in filter presses and sludge dewatering equipment, delivering excellence and innovation to our valued clients.
Our company boasts three state-of-the-art production bases, eight domestic offices, two international outposts, two thriving overseas subsidiaries, and a prestigious Sino-German joint venture dedicated to high-end filter plate manufacturing. Our impressive portfolio includes three invention patents and over a hundred utility model patents.
We have garnered numerous accolades and certifications, 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, our products are insured by PICC, the People's Insurance Company of China, ensuring reliability and trust.
Our relentless pursuit is to deliver unmatched user experiences and provide innovative, cost-effective, and efficient design solutions tailored to your needs!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer based in the vibrant city of Shanghai, committed to producing excellence.
Q2. How about the production capacity of your company?
Our expansive factory spans an area of over 570,000 square meters,
2 and boasts a remarkable production capability, churning out 9,500 machine sets annually.
Q3. How long is the delivery time for bulk orders?
Typically, our delivery timeframe is within 15-30 working days post-deposit. However, for larger equipment or specific customer requests, the delivery period may be extended to accommodate your needs.
Q4. What are the payment terms?
Our standard payment terms are via T/T, with an initial deposit required before production commences upon order confirmation, followed by the balance payment post-inspection.
Q5. How long is the product warranty period?
We offer a comprehensive one-year warranty under standard usage conditions, complemented by lifelong online support. Please note that wearing parts and issues caused by incorrect operation are not covered.
Q6. What's the after-sale service of your company?
We provide detailed foundation drawings for installation, alongside installation videos and online guidance to assist our customers. Should you require on-site assistance from our technicians, arrangements can be made to meet your specific requirements.
Q7. Can your company provide wearing parts?
Absolutely, we manufacture wearing parts for our esteemed clients. For equipment not produced by us, please supply the drawings of the required wearing parts, and we will be happy to assist.