Revenue by Segment

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	FY 2018	FY 2017
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	Dec '18 Dec 31, 2018	Dec '17 Dec 31, 2017
Speaker	2.05B
Speaker Growth	10.84%
Amplifier	533.91M
Amplifier Growth	47.97%
Acoustic Vehicle Alerting System	120.73M
Acoustic Vehicle Alerting System Growth	40.10%
Mold	38.74M
Mold Growth	618.02%
Technical Services	24.34M
Technical Services Growth	45.08%
Other	8.48M
Other Growth	6.04%

Revenue by Geography

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

Millions CNY. Fiscal year is Jan - Dec.