How to evaluate the golden age of Hong Kong films?

The golden age of Hong Kong movies is really brilliant. On the one hand, there are many kinds of works, such as Kung Fu movies, and there are many action stars, such as Jackie Chan, Sammo Hung and Donnie Yen. Through their film and television works, let the world know more about China Kung Fu. There are also local comedies represented by Ceng Zhiwei, Stephen Chow, Huang Baiming and others, which also add a lot of glory to the film industry in China. On the other hand, there are countless classics. At that time, Hong Kong's film and television industry had formed industrialized production and the industrial chain was complete. There are many classic works, such as Farewell My Concubine, God of Gambling, Crouching Tiger, Hidden Dragon and Shaolin Temple.