Zhengzhou Deao Technology Co., Ltd. is a professional manufacturer in China's filter industry. Mr. Wang Zhenbao is the developer of the Chinese filter. From the first Chinese filter prototype in 1989 and the successful trial run in 1991, it has spanned 28 years, constantly pioneering and innovating, and constantly striving forward. Up to now, it has 6 national invention patents, 13 utility model patents, 1 US patent, and 1 EU patent. It has also passed CE certification, SGS certification, etc. The products also range from plate-type quick filter to plate-type continuous filter, single and double column continuous filter, double column large-area wrapped net filter, backwashing type, and fully automatic mesh belt type. From 2000 to 2013, we successively customized and developed long mesh belt filters, plate-type backwashing filters, and voltage-stabilizing filters for customers. In 2016, at the request of customers, we developed a double-column filter with an output of up to 6 tons per hour. Up to now, the products have been sold to 72 countries in America, Africa, the Middle East, Western Europe, and Southeast Asia. A series of achievements have not stopped us. We are not complacent, we always maintain humility, keep pace with the times, and carry on the past and open up the future is our creed. In 2017, we have 1 invention patent and 3 utility model invention patents expected to be passed, and the output value exceeds 20 million. At the same time, we have gone out of the country to participate in the German K exhibition, the Indian exhibition, the Vietnamese exhibition, etc. We will also participate in other large international exhibitions in the future and continue to expand. In the new era and new mission, customers require better sealing performance, stronger automation, and higher output of the filter. We will closely follow customer needs, deepen technology research and development, and increase investment in the follow-up service system, so that the entire plastic filtration industry will move to a new height and make new and greater contributions to the filtration industry in China and the world.