Emeishan Changqing New Materials Co., Ltd. was established in 2009, covering an area of 27 acres and employing about 80 people. By the end of 2023, the company's total investment exceeded 0.1 billion yuan. After ten years of development, the company has gathered domestic excellent technical talents. On the basis of digesting and absorbing the technology of Ukrainian fumed silica, the company has summarized and absorbed the technical experience of other excellent fumed silica enterprises at home and abroad, adhered to the principle of independence, innovation and development, and developed proprietary technologies with independent intellectual property rights (now there are 2 invention patents and 15 utility model patents), the single-line process technology with an annual output of 10000tons/year of fumed silica has been realized, and the single-line production capacity is "the first in China". Great innovations have been made in the synthesis, separation, deacidification, packaging and other processes of process technology, and the product quality is reliable.