Hualien Taekwondo Gymnasium in Changsha is quite famous. I stayed there for a year. Agricultural University and Polytechnic University both have branches. Just go to these two places and ask. Teng is recognized as the best taekwondo coach. It turns out that he is a three-time Sanda champion in Liaoning Province.
As for coach Tan Jinfei, I don't know him well. You can go to the gym of Agricultural University to inquire about it, which is a gathering place for martial arts lovers. It is said that Tan Jinfei of Coach has practical experience. You look at him and you feel particularly fighting!
My suggestion: first go to coach Teng to learn the basics, and then go to coach Tan to learn actual combat!
I am also a martial arts fan, but I can't practice any more. It's nice to see someone like martial arts so much!
I wish Wuyun prosperity!