What are the silicon dioxide manufacturers in Gansu?

Chuanshan silica mine in Jinta county. Jinta Chuanshanxun Silica Mine is located in Jinta County, Jiuquan City, Gansu Province. It is a manufacturer specializing in silica procurement. Its products are of good quality and low price. Gansu, referred to as "Gan" or "Long" for short, is a provincial administrative region of People's Republic of China (PRC), with Lanzhou as the capital. It is located in the northwest of China, bordering Shaanxi in the east and Xinjiang in the west.