The name of Chengdu Changjun Culture Communication Company may not be right, but it has the word Changjun. Please search.
Film and television performance training lasts for three months, one day every Saturday, which seems to be 1800. I wonder if it is rising now.
Guangzhou Southern TV Station has a real story to train amateur actors for a month, which seems to be one day a week. I don't know if it's done yet. Take a look.
What I happened to see above is not necessarily accurate. You search.
In fact, you are looking for amateur actor training. There are many online, please check them. These are for reference only. I'm sorry if there is something with a wrong name on it! I searched in my memory.
Good luck!