Aw, man. I hate not being able to read different languages. At least I can do French and Russian. Dang itYes it is propane tank. On the propane tank it says propane . Below I think it says the company name.
The big sign on the right says that they are selling Yangberries. There is a picture of the berries there. The fresh ones are very regional and not grown in other parts of China.
https://en.m.wikipedia.org/wiki/Myrica_rubra