dear Sir,
when i take the Shenzhen airport shuttle bus to Hong Kong,
(1) is there any immigration point have to get through?
(2) after through the immigration check passport, is it the same bus that i will take to Hong Kong?
(3) where is the bus will stop at Hong Kong? any bus station that you can provide? so that i can take MTR to Kowloon, i will stay at H.K commercial Inn - Kowloon

thanks,
Lee San