


Introducing the Dazhang Program-controlled Automatic High Pressure Water Washing Filter Press – a game-changer in the filtration world! This advanced machine enhances the standard model with a cutting-edge automatic high pressure washing system, primarily designed to thoroughly cleanse the press cloth, ensuring optimal performance every time.
Overcome filter cloth blockages effortlessly with our innovative cloth washing system! Utilizing high pressure water, this system efficiently clears any obstructed solids, thereby accelerating the filtration process and significantly extending the lifespan of your equipment. Choose between our Single Pole and Double Poles Washing Systems to suit your needs.
With a robust maximum design pressure of 6mpa, our device offers versatility with options like Single Pole Washing System, Double Poles Washing System, and the efficient Scroll Scrubbing System – all tailored to meet diverse operational demands.



For over two decades, Shanghai Dazhang has passionately led the filter press and solid-liquid separation industry. As pioneers in drafting industry standards for filter presses and plates, we proudly hold a top-three position in China for production and sales volumes. Our state-of-the-art facilities span a remarkable 570,000 square meters, supporting a dedicated team of more than 1,000 skilled professionals.
We are at the forefront of innovation, functioning as a smart manufacturer and a comprehensive service provider for advanced filter presses and sludge dewatering equipment.
Our expansive enterprise includes three strategic production bases, eight domestic offices, two international offices, two overseas subsidiaries, and a prestigious Sino-German joint venture dedicated to high-end filter plate manufacturing. Our innovation is backed by three invention patents and an impressive portfolio of over 100 utility model patents.
Shanghai Dazhang proudly holds numerous accolades and certifications, including ISO 9001 for Quality Management, ISO 14001 for Environmental Management, ISO 18001 for Occupational Health and Safety, the coveted EU CE certification, and comprehensive insurance coverage from PICC, the People's Insurance Company of China.
Our mission is to deliver unparalleled user experiences through innovative, cost-effective, and efficient design solutions tailored to meet your needs!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer nestled in the heart of Shanghai, bringing years of expertise to the table.
Q2. How about the production capacity of your company?
Our cutting-edge factory boasts an expansive area of over 570,000 square meters,
capable of producing an impressive 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, delivery is swift, taking just 15-30 working days post-deposit. However, for sizable equipment or special requirements, please anticipate a potential extension in delivery time.
Q4. What are the payment terms?
Our standard payment method is T/T. A deposit is required before commencing production upon order confirmation, followed by balance payment after inspection.
Q5. How long is the product warranty period?
Enjoy a one-year warranty under normal use, accompanied by lifelong online service. Note: Wear and tear parts and damages from incorrect handling by staff are excluded.
Q6. What's the after sale service of your company?
Our comprehensive after-sales support includes providing foundation drawings for installation, detailed installation videos, and online guidance. Should you require on-site assistance, our expert technicians are available to accommodate your needs.
Q7. Can your company provide wearing parts?
Absolutely, we manufacture wearing parts for our valued clients. If your equipment wasn't produced by us, simply supply the parts drawings, and we'll take care of the rest.