Linyi Jinnong Additive Factory was established in 1996, Linyi Yindong Silicon Products Co., Ltd. was established in 2005, Linyi Kehan Silicon Products was established in Linshu Chemical Industrial Park in 2009, and Linyi Zhixuan New Materials Co., Ltd. was established in Linyi Lingang Chemical Industrial Park by purchasing 100 acres of land in 2016. Linyi Yindong New Materials Co., Ltd. (Silica Sol Production Base) was established in 2024, specializing in the production of silica sol for 30 years. It can supply more than 50 specifications of silica sol including alkaline, neutral, acidic, fast drying, and large particle size, with an annual output and sales volume of over 200000 tons. thirteen billion five hundred and eight million nine hundred and ninety-nine thousand and seven