cost of life in China ?

I´m looking to see the possibility to live in Jiangsu and I would like to know what is the cost of life there, how much money you need to spend per month in rent of a nice house ( four beds, living room,dinning room back yard, etc.) with furniture and all the miscellanius, grocery store expences, gasoline, gas, telephon , sky, internet service, etc....plus go out with the family to have a dinner, movie, etc.... private schools ( secundary 7th grade and college, Chef )
I´m married with to boys (13 and 20 years old). USD to Chinise current or chinise to USD either way!
Cost of visa?
Cost buy a car?
Account of savings in USD is possible?
Please give me all the information can help me to figurate the total cost of livieng in that province!
Thanks!
Juan Luis Ordaz Sabag
Torreón Coah, Mexico.