


Filter plates serve as the heart and soul of filter presses, playing a pivotal role in the solid-liquid separation process by effectively filtering and enduring high pressures. The design and quality of these plates are crucial in determining the operational efficiency and processing prowess of the filter press. At Shanghai Dazhang Environment Protection Equipment Co., Ltd., we proudly integrate cutting-edge German technology and methodologies in our filter plate production. With 15 state-of-the-art automated production lines, we cater to a wide spectrum of specifications, ranging from 630x630mm to 2500x2500mm. Our innovation-driven approach is enhanced by a specialized R&D center for product materials and a filtration laboratory, both guided by an esteemed German filtration expert. Our commitment to bespoke solutions means we craft filter plates tailored precisely to your unique requirements.
Material Selection: Crafted from polypropylene, polyethylene, and stainless steel, our filter plates are designed to deliver exceptional resistance to corrosion and withstand high pressures, ensuring durability and reliability.
Various Specifications: Available in a diverse array of sizes and thicknesses, our filter plates can be perfectly customized to meet the unique demands of your specific applications, seamlessly fitting various filter press types.
Hole Structure: Ingeniously engineered with specific hole patterns, the surface of our filter plates maximizes filtration efficiency while minimizing resistance, paving the way for an optimal filter cake formation.
Lightweight: Embracing modern materials, our filter plates are designed to be lightweight, facilitating effortless installation and replacement, which significantly boosts overall operational efficiency.


For over two decades, Shanghai Dazhang has been at the forefront of the filter press and solid-liquid separation industry. As pioneers in establishing industry standards for filter presses and plates, we proudly rank among the top three in production and sales in China. Our expansive manufacturing facilities span over 570,000 square meters and are supported by a dedicated team of over 1,000 professionals.
We are proud to be a leading smart manufacturer and comprehensive service provider in the field of filter presses and sludge dewatering equipment, offering our clients unparalleled expertise and solutions.
Our global footprint includes three state-of-the-art production bases, eight domestic offices, two international offices, two overseas subsidiaries, and a Sino-German joint venture dedicated to high-end filter plate manufacturing. We hold an impressive portfolio of three invention patents and over 100 utility model patents.
Our commitment to excellence is reflected in the numerous certifications and honors we have received, including ISO 9001 for Quality Management Systems, ISO 14001 for Environmental Management Systems, ISO 18001 for Occupational Health and Safety, the EU's CE certification, and insurance from PICC, the People's Insurance Company of China.
We are dedicated to providing our users with superior experiences and crafting design solutions that are both cost-effective and highly efficient!








Q1. Are you a manufacturer or a trader?
We are a seasoned manufacturer rooted in the vibrant city of Shanghai.
Q2. How about the production capacity of your company?
Our expansive factory spans over 570,000m
2 and boasts an impressive production capacity of 9,500 machines annually.
Q3. How long is the delivery time for bulk orders?
Typically, delivery takes 15-30 working days post-deposit. However, for substantial equipment or special client requirements, delivery timelines may extend.
Q4. What are the payment terms?
Our standard terms involve T/T payments. An initial deposit is required before production commences, with the balance due following inspection and prior to shipment.
Q5. How long is the product warranty period?
We offer a one-year warranty under normal use, supplemented by lifelong online service. Please note that wearing parts or issues from incorrect handling are not covered.
Q6. What's the after-sale service of your company?
Our comprehensive after-sales service includes providing clients with foundation drawings for installation, along with installation videos and online guidance. On-site assistance by our skilled workers can be arranged as per your requirements.
Q7. Can your company provide wearing parts?
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