1. In March 2018, Huangshan Kemei New Materials Co., Ltd. was registered and established with a registered capital of RMB 100 million.
2. Shanghai Technology and Sales Center was established in March 2019.
3. In June 2019, huangshan Plant annual output of 500,000 tons of new materials project preparation (planning, design, environmental assessment, safety assessment, etc.).
4. In October 2020, huangshan Plant will start construction of the first phase of new materials with an annual output of 500,000 tons.
5. In March 2021, the main workshop of Huangshan Factory was closed.
6. Langfang Technology and Sales Center was established in June 2021.
7. In July 2021, the first batch of production equipment will be installed in the main workshop of Huangshan Factory.
8. Guangzhou Technology and Sales Center will be established in December 2021.
9. On January 22, 2022, the R&D Office building of Huangshan Factory was officially put into use, and all employees of the headquarters entered the R&D building.
10. The first phase of Huangshan Factory will be completed in December 2021
11. Trial production will be carried out in Huangshan Factory in January 2022.