Kuai le ying xiong
AKA Happy Hero - Follow the exciting action as 3 young men uncover the corrupted actions of the superintendents only to find further perils. Action packed martial arts flick.
Watch "Kuai le ying xiong" from streaming services Tubi TV, Amazon released in 1980. It's a action & adventure and drama movie, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of movie.