In 2022, the enterprise commissioned Beijing China Aviation Tianye Science and Technology Co., Ltd. to transform the high-purity desulphurization and denitrification project, control the flue gas of high-purity kiln, and control the pollutants such as sulfur dioxide, nitrogen oxides and dust in the flue gas up to the standard. After acceptance by departments at all levels, environmental protection atmospheric emissions meet the national, provincial, municipal and county emission standards.
