Henan Dazhang Filtration Equipment Co., Ltd. is a technology-oriented enterprise specializing in the research and development, manufacturing, sales, international trade and engineering services of filtration and solid-liquid separation equipment. With years of experience in filter presses, filter plates and industrial solid-liquid separation systems, the company provides integrated services covering equipment selection, process design, manufacturing, installation, commissioning and after-sales support.

The company's manufacturing base is located in Yuzhou, Henan Province, China. With a registered capital of RMB 60 million, the company covers approximately 202 mu of land, operates around 70,000 square meters of factory space and represents a total investment of approximately RMB 150 million. It has established comprehensive R&D, manufacturing, assembly, testing and quality management capabilities.

Dazhang's main products include membrane filter presses, chamber filter presses, plate and frame filter presses, high-pressure round plate filter presses, mobile skid-mounted filter presses, stainless steel filters, candle filters, bag filters, cartridge filters, filter plates, filter cloths, hydraulic systems, automatic washing systems and other auxiliary equipment.

The company provides customized filtration solutions based on customers' material characteristics, processing capacity, filtration pressure, automation requirements and operating conditions, enabling it to serve a wide range of industrial applications.

Dazhang products are widely used in mining, metallurgy, chemicals, petroleum, coal, environmental protection, municipal wastewater treatment, pharmaceuticals, food processing, edible oils, sugar, printing and dyeing, brewing, ceramics, new energy and other industries.

The company places strong emphasis on technological innovation and has established a professional R&D system supported by the Henan Provincial Enterprise Technology Center and the Henan Provincial Engineering Technology Research Center for New Solid-Liquid Separation Equipment.

Its research activities cover filtration equipment, polymer filter plate materials, membrane filter plate structures, intelligent control systems, high-temperature-resistant materials, impact-resistant materials and other key technologies related to solid-liquid separation.

In the field of core filtration components, Dazhang has continuously developed polypropylene filter plate materials, structural designs and manufacturing processes. The company independently developed a processing-free sealed square polypropylene filter plate and obtained related invention patent protection, with the product successfully entering the European market.

The company has also developed high-temperature-resistant and toughened PP polymer filter plates and differentiated polymer filter plate technologies to improve product performance under high-temperature, high-pressure and demanding industrial operating conditions. A differentiated polymer filter plate project received a second prize in a 2022 “Maker in China” competition.

Through continuous technological innovation and specialized development, Dazhang has been recognized as a national-level Specialized, Sophisticated, Distinctive and Innovative “Little Giant” enterprise as well as a National High-Tech Enterprise.

The company has also received honors related to energy conservation and environmental protection and provincial-level brand recognition, strengthening its reputation and technical influence in the filtration and solid-liquid separation equipment industry.

Dazhang actively participates in filtration-related technical standardization and continuously expands its portfolio of patents, proprietary technologies and independent intellectual property, promoting the development of standardized, intelligent, energy-efficient and automated filtration equipment.

In terms of manufacturing capability, the company has established an integrated production system covering product development, mechanical processing, filter plate production, equipment assembly, hydraulic and electrical control system integration, quality inspection, installation, commissioning and after-sales service.

With extensive project experience in mining, chemical processing, environmental protection, municipal wastewater treatment, food processing and industrial production, Dazhang is capable of providing tailored equipment configurations and technical solutions for different materials and filtration requirements.

While continuing to strengthen its domestic market, the company has actively implemented a global development strategy and established an international trade and overseas service system. Its products and services now reach more than 100 countries and regions across Asia, Europe, Africa, South America, North America, the Middle East and Oceania.

Through overseas subsidiaries, domestic companies and international business teams, Dazhang provides customers with product consultation, technical support, project implementation and after-sales services, continuously improving its global market responsiveness and international service capabilities.

Supported by professional R&D capabilities, large-scale manufacturing facilities, a comprehensive product portfolio, independent core component technologies and extensive global market experience, Henan Dazhang Filtration Equipment Co., Ltd. has developed strong integrated capabilities ranging from core filtration components and complete equipment to comprehensive solid-liquid separation solutions, and continues to advance toward intelligent, efficient, energy-saving and international development.