


Introducing the Dazhang Program-controlled Automatic High Pressure Water Washing Filter Press—a marvel of modern engineering! This state-of-the-art machine enhances the capabilities of traditional models by integrating an automatic high-pressure washing system. This feature is designed to excel at cleaning press cloth efficiently and effectively, ensuring your operations run smoother than ever before.
When your filter cloth encounters blockage, fear not! Our advanced cloth washing system comes to the rescue, utilizing high-pressure water to meticulously clean away the obstructive solids. This not only accelerates the filtering process but also significantly extends the lifespan of your equipment. Choose from two innovative designs: the Single Pole Washing System or the Double Poles Washing System, tailored to meet your specific needs.
Boasting a formidable maximum design pressure of 6 MPa, our cutting-edge device offers unmatched versatility. Explore the range of options available, including the Single Pole Washing System, Double Poles Washing System, and the groundbreaking Scroll Scrubbing System. Each system is engineered to perfection, catering to diverse industrial requirements.



For over two decades, Shanghai Dazhang has been a pioneer in the realm of filter presses and solid-liquid separation technology. As key contributors to the establishment of industry standards for filter presses and plates, our products proudly stand among the top three in production and sales across China. With an expansive manufacturing facility spanning over 570,000 square meters and a dedicated workforce exceeding 1,000, we continue to lead with innovation and excellence.
We are not just manufacturers; we are visionaries—offering intelligent manufacturing solutions and comprehensive services for filter presses and sludge dewatering equipment, ensuring unparalleled quality and performance.
Our company boasts three state-of-the-art production bases, supported by a network of eight domestic offices, two international offices, two overseas subsidiaries, and a prestigious Sino-German joint venture dedicated to high-end filter plate manufacturing. With three groundbreaking invention patents and over 100 utility model patents, our innovation knows no bounds.
Recognized for excellence, we have achieved numerous certifications and honors, including ISO 9001, ISO 14001, and ISO 18001 certifications, the esteemed EU's CE certification, and insurance coverage from PICC, the People's Insurance Company of China—ensuring our commitment to quality, safety, and environmental stewardship.
We are committed to providing our users with exceptional experiences through innovative, cost-effective, and efficient design solutions that redefine industry standards!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer with a strong presence in Shanghai, leveraging years of industry expertise to deliver superior products.
Q2. How about the production capacity of your company?
Our expansive factory spans an impressive area exceeding 570,000 square meters,
2 and is capable of producing a remarkable 9,500 machines annually, meeting the robust demands of our clientele.
Q3. How long is the delivery time for bulk order?
Typically, delivery for bulk orders is prompt, ranging from 15 to 30 working days post-deposit. For larger equipment or special customizations, delivery timelines may be adjusted to accommodate specific requirements.
Q4. What are the payment terms?
Our payment process is straightforward: an initial deposit via T/T is required before production upon order confirmation, followed by the balance settlement after product inspection.
Q5. How long is the product warranty period?
We offer a comprehensive one-year warranty for normal use, complemented by lifelong online service support. Please note, this excludes wear parts and damages resulting from incorrect operation.
Q6. What's the after sale service of your company?
Our after-sales service is exemplary—clients receive detailed foundation drawings for installation, accompanied by installation videos and online guidance. On-site assistance is available upon request to ensure seamless integration.
Q7. Can your company provide wearing parts?
We manufacture high-quality wear parts for our clients. If your equipment was not produced by us, simply provide the wear parts drawing, and we'll accommodate your needs with precision.