What is the easiest transport from Vienna hotel to Laiwu Dock? Bus or taxi ?

There are more than one Vienna Hotel in this city. Do you refer to Convention Center Branch?
If yes, you can take public bus no. 105 from Haibin Huayuan, get off at Bakongqiao Bus Stop. After arriving, walk west around 120 yards (110 meters).
If by taxi, the cab fare would be CNY 60 -70 in usual time.