What type of China visa do I need? Regular one, 72hr. free transit and the cost ?

We are Flying from Vancouver Canada January 2017 to Shanghai to board a same day 16 night cruise to Japan, Taiwan, Philippine, Vietnam & Hong Kong . Return flight from Hong to Vancouver with a 7 hrs. layover from Shanghai (Sha airport) then boarding the flight from Shanghai (PVG) airport to Vancouver. What type do we need? Regular one or 72hr free transit. where to apply & what cost? How far between the two airport in Shanghai, do they offer shuttle at the airport?