Dazhang Filtration was established in Shanghai, CHINA, and filter presses were put into production.

Dazhang Filtration built a production base at Henan Province, established a filtration process and equipment R&D center, and put a comprehensive filtration experiment platform into use.

Dazhang Filtration established Dazhang Environmental Protection Equipment Co., Ltd. in Shanghai, CHINA. Various filtration equipment produced by the company are used in key national environmental protection projects, ushering in the peak of the company's development.

The company's independently developed polypropylene chamber filter plates and diaphragm filter plates were put into production, and the company became the largest filter plate production base in the Central Plains.

As a representative brand of Chinese private enterprises, Dazhang participated in the "Shine the Expo, Find the Coordinates" activity of the Private Enterprise Pavilion of the Shanghai World Expo, and was selected into the "Enterprise Shining Matrix Display Wall" and the "Chinese Entrepreneurs' Entrepreneurship Record Display Wall".

The company expanded its production scale to an annual production capacity of 3,000 high-efficiency and energy-saving diaphragm filter presses and 200 belt filter presses, and made a major breakthrough in the business expansion of emerging clean energy industries such as photovoltaic new energy.

The company expanded its production scale and moved its production base to Yuzhou Development Zone, Henan Province, covering an area of 25000 square meters. It has made major breakthroughs in emerging clean energy industries such as photovoltaics and environmental protection.

The company invested tens of millions to introduce a high-pressure injection molded filter plate production line, which enabled the company to reach the international leading level in the production and processing and manufacturing capabilities of diaphragm filter plates, and was rated as "Henan Province Famous Brand Product" and "Henan Province Top Ten Science and Technology Innovation Enterprises".

An international trading company, Zhengzhou Dazhang Filtration Technology Co., Ltd., was established in Zhengzhou, and Dazhang filter presses went abroad and into the world.

The company successfully developed a processing-free sealed square polypropylene filter plate and obtained an invention patent, breaking the European monopoly on the Chinese processing-free sealed square polypropylene filter plate market and enabling the product to enter the European market.

The company was awarded the honorary titles of "Henan Province New Solid-Liquid Separation Equipment Engineering Technology Research Center" and "Henan Province Energy Conservation and Emission Reduction Science and Technology Innovation Demonstration Enterprise".

The company introduced the intelligent production line technology of Klinkau Gmb+Co. from Germany, and its filter press market share reached the third place in China.

Zhang Zhenli, chairman of the company, was named "Henan Migrant Workers Returning Home to Start Business Star" by the Henan Provincial People's Government.

Approved by Henan Provincial Development and Reform Commission, it was established as a "National High-tech Enterprise" and "Henan Enterprise Technology Center".

Dazhang Filtration was awarded the honorary titles of "Regional Leading Enterprise", "Top Ten" Industrial Enterprise, "Three Major Transformation" Advanced Enterprise, and Chairman Zhang Zhenli was named "Xuchang Labor Model".

The "Research and Development of Key Programs for High-temperature Resistant Toughened PP Modification" project, a collaboration between Dazhang Filtration and the Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, was held at Dazhang Filtration Company. The implementation of this project further improved the quality of the filter plate to a high standard, laying a solid foundation for Dazhang Filtration to occupy the domestic and foreign markets.

The company passed the assessment of the national two-in-one integration standardization system.

In January, the market share of Dazhang filter press ranked second in China;

In September, at the coordination meeting of the drafting group of the group standard of the separation machinery branch of the China Tongxie Association, Dazhang Filtration participated in the formulation of the group standard as the drafting unit of "Chamber and Plate and Frame Filter Press?Filter Plate" and the main participating unit of "Chamber and Plate and Frame Filter Press".

In October, Dazhang Filtration became the "Hidden Champion" cultivation enterprise of Xuchang City and the "Mayor Quality Award Enterprise".

In December, the company's independently designed "Dual Cloud Control System Integrated Big Data Precision Management Project" was successfully selected by the Henan Provincial Department of Industry and Information Technology as a pilot demonstration project for the integration of manufacturing and the Internet in Henan Province, marking that the company's integration of the two has reached a new height.

In the same month, the company hosted the 5th meeting of the 7th National Separation Machinery Standardization Committee and the Standard Review Meeting, and the company participated in the formulation of many standards.

On February 15, the Sino-German joint venture Henan Jitley Filtration Equipment Manufacturing Co., Ltd. was officially registered and established in the East Industrial Cluster Zone of Yuzhou City. The project introduced Germany's advanced filtration and water washing technology, adopted German filter plate formula and intelligent production technology, and manufactured world-leading filtration products that are comparable to the world's best!

In 2024，The recognition as a “China Well-knownTrademark" this time is a significant achievement in the brand and cultural construction of Dazhang Company, marking a new step in the company's brand building.