Zhengzhou DEAO Science & Technology Co., Ltd is specialized in research, production and sales of screen changer/melt filter.  Base on the deep technology accumulation and invention patents, DEAO is standing on the top position of screen changer industry and has been supplying the high efficiency and cost-saving solutions of filtration for totally more than 2000 customers.

Innovative technology comes from professional dedication and accumulation, DEAO professional R & D team has been focused on researching non-stop screen changer/melt filter from the late 1980s. Nearly 3 decades of technology accumulation, DEAO has won a number of international and domestic invention patents, and DEAO innovation design has reached the international advanced level, painting a new chapter of non-stop screen changer.

The strong R & D capabilities fill the domestic technology blank; DEAO attracts extensive attention of the state and society. It’s now an innovation project of the National Ministry of Science and Technology, a science and technology key project of Henan province, a patent pilot enterprise and important support enterprise in Zhengzhou city.  Relying on its technology and innovation, DEAO provides the turn-key solution successfully for the filtering demands of state level key project and new material project.

Looking into the future, it’s still a long and high-responsible way. DEAO will continuous improve itself by taking independent innovation as the driving force and strive to be a supplier to provide the integrated solution of filtration to meet the customer’s requirement and satisfaction. Contribute to a bright future in the fields of high polymer materials.