China is a communist government and to control people and information they block internet sites.
yes china do have facebook.
Facebook and Google will only get to China when the government lifts the ban.
You cant
This depends a lot on which method that has been used to block facebook. You might get in trouble if you manage to bypass this blocade. I am sure that if you can legitimate your use of facebook, then your network manager will make this possible/available to you.
Actually, she does.
yes
You can't.
how to block messages of unknown person on facebook
search their name with a different facebook account.
Not happening. China has sensorship laws.
Yes, she does her name is China Anne McClain She approved it in her facebook account and also she has her fan page