shanghai metro transit

Hi, my chinese classmate tell me that wenwen is the best Q&A system in china, So I come here. Next month I will go to visit Shanghai Expo from tokyo, anybody can tell me how to transit the Shanghai metro. Thanks.

All metro lines that go to the Expo district are:4,6,7,8,9, and Line13(It works in the Expo district, while others work out of the district)
If you start from Shanghai Pudong International Airport, you can take Metro Line 2.
Be careful! When you get to Guanglan Road Station, you should change from 4-vehicle train to 8-vehicle train, or you will get back to the airport!
When you get to Longyang Road Station, you can transfer to Metro Line 7.
Then, you can go to the Expo district by it:
West Gaoke Road Station, Yuntai Road Station_the 5th Entrance(West Gaoke Road)
Yaohua Road Station_the 6th Entrance(Shangnan Road)
Changqing Road Station_the 7th Entrance(North Changqing Road)
Houtan Station_the 8th Entrance(Houtan)

The entrance to the Expo in Shanghai, the direct subway line is 4,6,7,8,9,13, surrounding the hotel can ah When the basic price to the general hotels around 200 bar and chain around the estimated 250