


Filter plates are the beating heart of filter presses, serving as the pivotal element in the dynamic process of solid-liquid separation. Designed to both filter and endure pressure, the quality of these plates directly influences the operational efficiency and processing prowess of the filter press systems. At Shanghai Dazhang Environment Protection Equipment Co., Ltd., we embrace cutting-edge German technology and processes across our 15 state-of-the-art automated production lines. These lines cater to a diverse range of filter plate specifications, spanning dimensions from 630x630mm to a robust 2500x2500mm. Our proprietary product materials formula R&D center and filtration laboratory, guided by a seasoned German expert, drive innovation and excellence. Tailored to perfection, our on-demand production model ensures every filter plate is crafted precisely to meet our customers' unique requirements.
Material Selection: Our filter plates are meticulously crafted using top-tier materials such as polypropylene, polyethylene, and stainless steel. This selection guarantees exceptional corrosion resistance and unwavering durability under high pressure, promising longevity and reliability.
Various Specifications: Discover the versatility of our filter plates, available in an array of sizes and thicknesses. Perfectly tailored to suit specific applications, they are adaptable to various filter press types, ensuring seamless integration and performance.
Hole Structure: Each filter plate is ingeniously designed with precisely engineered hole patterns on its surface. This feature optimizes filtration performance while minimizing resistance during filter cake formation, contributing to enhanced process efficiency.
Lightweight: Our modern filter plates, constructed from lightweight yet robust materials, not only ease installation and replacement but also significantly elevate operational efficiency, driving productivity to new heights.


For over two decades, Shanghai Dazhang has steadfastly championed the filter press and solid-liquid separation industries. Proudly recognized as pioneers in drafting industry standards for filter presses and plates, our products consistently rank among China's top three in production and sales. Spanning over 570,000 square meters, our cutting-edge manufacturing facilities are home to over 1,000 dedicated professionals.
As a smart manufacturer and a leading comprehensive service provider, we excel in the development and production of high-performance filter presses and sludge dewatering equipment, setting industry benchmarks.
With three strategically located production bases, eight domestic offices, two international offices, and a Sino-German joint venture for high-end filter plate production, we are positioned globally. Boasting three invention patents and over 100 utility model patents, innovation is at our core.
Shanghai Dazhang holds a prestigious portfolio of certifications and accolades, including ISO 9001, 14001, 18001, the EU's CE certification, and extensive insurance coverage from PICC, underscoring our commitment to excellence and safety.
Our relentless pursuit is to provide users with superior experiences, coupled with cost-effective and efficient design solutions that redefine industry standards.








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer based in the vibrant city of Shanghai, deeply rooted in manufacturing excellence.
Q2. How about the production capacity of your company?
Our expansive factory spans over 570,000m
2 and boasts an impressive annual production capacity of 9,500 machines.
Q3. How long is the delivery time for bulk order?
Our standard delivery period ranges from 15 to 30 working days post-deposit. However, for larger equipment or custom requirements, delivery timelines may be extended to ensure precision and quality.
Q4. What are the payment terms?
Standard payment terms involve a T/T transaction, with an initial deposit required upon order confirmation, followed by the balance post-inspection.
Q5. How long is the product warranty period?
Our products come with a one-year warranty for normal use, supplemented by lifelong online service. Note that wearing parts and issues arising from incorrect operation are not covered.
Q6. What's the after sale service of your company?
We provide comprehensive after-sales support, including installation foundation drawings, videos, and online guidance. On-site assistance by our technicians is also available upon request.
Q7. Can your company provide wearing parts?
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