According to the agreement signed by China and USA, the Chinese tourists in 6 provinces and 3 directly governed city regions such as Beijing, Tianjin, Shanghai , Jiangsu , Zhejiang, Hunan, Hubei, Hebei, Guangdong are admitted to prepare for the group tour.
According to embassy requirement, the prove which can show the reason you must come back to China includes : showing the promissory files of economy, society, family and others to help prove to be back after the temporary stay.
Different appliers need to submit the different application materials according to the specific situation. The files following will help you be convinced of being back by visa officer: residence booklet, ID card, employ certification, salary list and bankbook. The capital certification includes the magnification that you can offer all the fees during the period in America without working, such as salary list reflecting your incomes objectively.
The visa experts suggest not to show the bank deposit list, which does not help for the visa.