Linyi Kehan silicon products Co., Ltd. was established in 1998. After more than 20 years of unremitting efforts, Kehan company has become a domestic high-tech enterprise integrating R & D, production and operation. The company has invested 50 million yuan to build a silica sol enterprise with a production capacity of more than 70000 tons and a storage capacity of more than 10000 tons. It is the largest silica sol production base in northern China and the only enterprise in northern China with two processes of "hydrolysis of single silicon method" and "water glass ion exchange method" to produce silica sol Occupational health system certification and safety and environmental protection acceptance, with stable and sustainable quality, environmental safety assurance. The company has invested 10 million yuan to establish a technology R & D center, strong scientific research investment, and accelerated the transformation of scientific research achievements. At present, Kehan's series of products, such as alkaline silica sol (JN Series), modified silica sol (KHM Series), acid silica sol (as series), large particle silica sol (KHL Series), etc., can be used for coating, casting, papermaking, catalyst, etc Electronic polishing industry partners to provide customized services.