1, Kunming Xiang Bin Teaching Aids Factory. It is a branch of Chen Guang's teaching aid in Hunan. Its products were undertaken by the State Education Bureau to produce teaching equipment in the early 1980s.

2. Kunming Pioneer Culture and Education Equipment Management Department. The business scope includes the retail of teaching blackboards, multimedia equipment, teaching instruments, desks and chairs, and the address is No.282, Hongde Village, Shuangfeng, Guandu District.

All department stores and shopping centers sell them.