2024 YunTech, 20-20 will be signing up for the campaign.

The registration period is from 8 a.m. on 9 September to 5 p.m. on 30 September.

More than 2nd grade students are registered at:https://www.surveycake.com/s/voLz6

The teacher's address is:https://www.surveycake.com/s/wk3mO