


Filter plates are vital components of filter presses, essential in the solid-liquid separation process to effectively manage filtering and endure pressure. The efficiency and effectiveness of the filter press are directly influenced by the design and materials of these plates. At Shanghai Dazhang Environment Protection Equipment Co., Ltd., we leverage cutting-edge German technology across 15 automated production lines to produce a range of filter plates, from 630x630mm to a substantial 2500x2500mm. Our dedicated product materials R&D center, paired with a state-of-the-art filtration laboratory, operates under the expertise of a senior German filtration expert. We embrace a tailored production approach, ensuring each filter plate is crafted to meet the specific requirements of our esteemed customers.
Material Selection: Our filter plates are meticulously crafted from top-grade polypropylene, polyethylene, and stainless steel, offering exceptional corrosion resistance and robust high-pressure endurance.
Various Specifications: With a variety of sizes and thicknesses available, our filter plates can be expertly customized to suit unique application needs, aligning seamlessly with diverse filter press types.
Hole Structure: Ingeniously designed with specific hole shapes, the surface of our filter plates ensures maximum filtering efficiency while minimizing resistance during filter cake formation.
Lightweight: Crafted from modern lightweight materials, our filter plates guarantee ease of installation and replacement, significantly enhancing operational efficiency.


For over two decades, Shanghai Dazhang has proudly pioneered the filter press and solid-liquid separation industries. As key contributors to industry standards, our products consistently rank among the top three in production and sales across China. Spanning over 570,000 square meters, our cutting-edge manufacturing facilities employ more than a thousand dedicated professionals.
We are an innovative manufacturer and a comprehensive service provider, specializing in filter presses and advanced sludge dewatering equipment solutions.
Our expansive operations include three production bases, eight domestic and two international offices, alongside two overseas subsidiaries. A Sino-German joint venture enhances our high-end filter plate manufacturing capabilities. Proud holders of three invention patents and over 100 utility model patents, we stand at the forefront of innovation.
Our extensive certifications and honors portfolio includes ISO 9001, ISO 14001, ISO 18001, the EU's CE certification, and comprehensive insurance from PICC, showcasing our commitment to quality and safety.
Our mission is to deliver exceptional user experiences alongside cost-effective and efficient design solutions tailored to your needs!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer proudly based in Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory spans over 570,000 square meters,
2 capable of producing an impressive 9500 machines annually.
Q3. How long is the delivery time for bulk order?
Typically, orders are fulfilled within 15-30 working days post-deposit. For larger equipment or specific customizations, delivery timelines may extend.
Q4. What are the payment terms?
Our terms include a T/T payment system, requiring a deposit prior to production and balance settlement post-inspection.
Q5. How long is the product warranty period?
We offer a one-year warranty for standard usage, with lifelong online service support. Exclusions apply for wear-and-tear or mishandling.
Q6. What's the after sale service of your company?
We provide comprehensive installation support, including foundation drawings, video guides, and online assistance. On-site technician support is available upon request.
Q7. Can your company provide wearing parts?
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