How about Dongfang City in Hainan Province?
Communication should be no problem. There are still many people who speak Mandarin. There is no southern dialect, and I can't understand other provinces.
Oriental city is ok, at least the living facilities are complete. But compared with the big cities in Chinese mainland, it is definitely very backward. . . Not to mention big companies, which are basically self-employed.
Don't worry, the price in Hainan won't be very expensive. Although it is said to be a financial crisis, the income is not high, and the average person earns several thousand yuan a month. How can there be a high sense of consumption? However, Haikou is relatively prosperous, so you can go shopping when you have time. . .
I don't know much about public security, but I don't like going out to play. For example, nightclubs are still very safe.
My hometown is Danzhou, just like the east, in the west of the island. I hope I can help you. I wish you a pleasant trip to Hainan. This beautiful island will definitely leave a deep impression on you! ^^ ~88