Revenue by Product

Financials in millions CNY. Fiscal year is January - December.

Millions CNY. Fiscal year is Jan - Dec.

Fiscal Year	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020	FY 2019
Period Ending	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021	Dec '20 Dec 31, 2020	Dec '19 Dec 31, 2019
Fan Filter Units and Filter Products	1.52B
Fan Filter Units and Filter Products Growth	16.83%
Other	206.14M
Other Growth	-0.46%

Revenue by Geography

Financials in millions CNY. Fiscal year is January - December.

Millions CNY. Fiscal year is Jan - Dec.

Fiscal Year	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020	FY 2019
Period Ending	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021	Dec '20 Dec 31, 2020	Dec '19 Dec 31, 2019
China	1.50B
China Growth	12.03%
Other Countries or Regions	227.56M
Other Countries or Regions Growth	33.38%