There is one in the Children's Palace called Yinhe. I studied there and the coach was good. She likes diligent students. Not very economical

And Zhong Bo, which can also be found in Cam Ranh Port Hotel. There are many branches. You can Baidu it.

Cang Shi Sports Fitness Club in Hohhot and Taekwondo Club in Cang Shi have Korean coaches.

Second floor, Cultural and Sports Management Office, University of Internal Engineering, around 50 yuan.

Caesar Taekwondo inside every month, around 70 yuan.

I wish you immediate success!