If anyone has any link or timetable of such buses, it would surely be useful info for many members ...

The link could be translated through GOOGLE directly ...

Don't forget to mention the station, north or south ....

Edit （Sorry, these links are in Chinese but with a little logic, it's possible to sort things out):

Here are some links ....

Changshu to Shanghai:
http://www.piaojia.cn/changtu/result.asp?txtchufa=%B3%A3%CA%EC&txtdaoda=%C9%CF%BA%A3&search_submit=%B2%E9%D1%AF#

Shanghai to Changshu:
http://www.piaojia.cn/changtu/result.asp?txtchufa=%C9%CF%BA%A3&txtdaoda=%B3%A3%CA%EC&search_submit=%B2%E9%D1%AF#

Changshu to Suzhou:
http://www.piaojia.cn/changtu/result.asp?txtchufa=%B3%A3%CA%EC&txtdaoda=%CB%D5%D6%DD&search_submit=%B2%E9%D1%AF#

Suzhou to Changshu:
http://www.piaojia.cn/changtu/result.asp?txtchufa=%CB%D5%D6%DD&txtdaoda=%B3%A3%CA%EC&search_submit=%B2%E9%D1%AF#



And for those familiar with chinese, you can use this link for other destinations in China, from Changshu or other cities ....

http://www.piaojia.cn/changtu/