- Who
- Guangzhou Jiachebao Technology Co., Ltd.
- What
- 324 people
- Where
- China (Chengdu)
- When
The largest car maintenance lesson consists of 324 participants and was achieved by Guangzhou Jiachebao Technology Co., Ltd. (China) in Chengdu, Sichuan, China, on 17 June 2019.
The attempt lasted a total of 53 minutes.
