What you want to ask is how many tons of reserves, and the specific location with the highest silica content is in Zhaotong, Yunnan. According to Shangjia Futures Trading Platform, Zhaotong, Yunnan has a reserve of up to 2.6 billion tons of silica, which is located in Yanjin County, Zhaotong City. Zhaotong silica mine in Yunnan is rich in reserves, accounting for 89% of the province's reserves, with a grade of more than 99%. It has the advantages of high grade, large reserves and easy exploitation.