


Filter plates stand as pivotal elements in the realm of filter presses, primarily serving the critical role of solid-liquid separation by filtering and enduring pressure. The design intricacies and material composition of these plates profoundly influence the operational efficiency and processing prowess of the filter press. At Shanghai Dazhang Environment Protection Equipment Co., Ltd., we harness cutting-edge German technology and state-of-the-art production processes across 15 automated production lines, proficient in crafting a diverse array of filter plate specifications, from 630x630mm to a grand 2500x2500mm. Our dedication is further exemplified by a specialized product materials formula R&D center and a sophisticated filtration lab, overseen by an esteemed senior filtration expert from Germany. Embracing a bespoke production approach, we tailor our designs and manufacturing processes to meet specific client demands.
Material Selection: Our filter plates are meticulously crafted from premium materials such as polypropylene, polyethylene, and stainless steel, ensuring unparalleled resistance to corrosion and the ability to withstand high pressures with ease.
Various Specifications: We offer filter plates in a broad spectrum of sizes and thicknesses, catering to the unique needs of diverse applications, and allowing for customization to suit different types of filter presses with precision.
Hole Structure: Ingeniously designed with specialized hole structures, the surfaces of our filter plates maximize filtering effectiveness while minimizing resistance to the formation of filter cake, ensuring superior performance.
Lightweight: Crafted from advanced lightweight materials, our modern filter plates simplify the processes of installation and replacement, significantly enhancing operational efficiency and workflow.


For over two decades, Shanghai Dazhang has remained steadfast in its commitment to the filter press and solid-liquid separation industries. As primary authors of industry standards, our products consistently rank among the top three in China for both production and sales. Spanning over 570,000 square meters, our state-of-the-art manufacturing facilities employ a dedicated workforce of more than 1,000 professionals.
We are a visionary manufacturer and all-encompassing service provider, specializing in the innovation of filter presses and sludge dewatering equipment.
With three advanced production bases, eight domestic offices, two international outposts, two overseas subsidiaries, and a Sino-German joint venture devoted to high-end filter plate manufacturing, we proudly hold three invention patents alongside over 100 utility model patents.
Our commitment to excellence is reflected in our numerous certifications and accolades, including ISO 9001, ISO 14001, ISO 18001, EU's CE certification, and insurance backing from PICC, the People's Insurance Company of China.
We are dedicated to providing users with superior experiences through more cost-effective and efficient design solutions, always striving for innovation and excellence!








Q1. Are you a manufacturer or a trader?
We proudly stand as an experienced manufacturer, headquartered in the vibrant city of Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory complex spans over 570,000 m²
2 and is equipped to produce an impressive 9,500 machines annually.
Q3. How long is the delivery time for bulk order?
Standard delivery spans 15-30 working days post-deposit. For larger equipment or special requirements, delivery times may extend accordingly.
Q4. What are the payment terms?
Our payment terms generally involve T/T. An initial deposit is required before commencing production, followed by the balance post-inspection.
Q5. How long is the product warranty period?
We offer a one-year warranty for regular use, supplemented by lifelong online support. Note: Wearing parts and issues due to incorrect operation are excluded.
Q6. What's the after sale service of your company?
We provide comprehensive installation support, including foundation drawings, installation videos, and online guidance. If on-site assistance is needed, arrangements can be made according to your requirements.
Q7. Can your company provide wearing parts?
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