Chongqing Dingneng Oil Purifier Manufacturing Co., Ltd. (CNDN) was founded in 2002, formerly known as Chongqing Dingxing Filter Equipment Factory. In 2009, Chongqing Dingneng Oil Purifier Manufacturing Co., Ltd. was established, focusing on the research and development, design, production, sales, and service of industrial oil purification equipment. It has now developed into one of the few high-tech enterprises in China that masters the core technology of oil purification. In February 2015, the company responded to the national trend of Industry 4.0 intelligent manufacturing upgrade and invested heavily in the research and development of Dingneng intelligent oil filtration products. This product fully extracts the technological advantages of excellent foreign brands and competitors (such as PALL in the United States, ABB in Switzerland, KATO in Japan, and SANMI in Japan). Based on domestic working conditions and years of experience in customer application sites, it is independently developed and designed to overcome multiple technical difficulties. Through thousands of development tests, it has obtained 15 product patents. In June 2016, the company successfully launched the third-generation "Q series intelligent flagship model" vacuum oil filter of Dingneng, which has better technical performance than domestic peers and multiple performance indicators surpassing international competitive brands. It is a high "cost-effectiveness" product with competitive advantages in China. At present, the third-generation 'Q-series intelligent series' vacuum oil filters launched by Dingneng Company include insulation oil filters, transformer oil filters, lubricating oil vacuum filters, hydraulic oil filters, turbine oil filters, fire-resistant oil filters, diesel filters, high-precision oil filters, vacuum pumping units, and other series of products widely used in various fields such as power, petrochemicals, military manufacturing, aerospace, metallurgy, and industrial hydraulic lubrication, successfully serving many Fortune 500 companies. In recent years, Dingneng Company's products have been exported overseas with large-scale national engineering projects, and its business has spread all over the world, becoming a major supplier of industrial oil purification equipment and systems in China. Dingneng (CNDN) Oil Filter Company flexibly utilizes its own unique technology and is committed to making it easier for customers to filter oil products with peace of mind as its business strategy. It continuously promotes technological innovation and strives to make greater contributions to the development of the industry.