Method 1
Take the MTR to Wan Chai Station (Exit A5) - cross the overpass and walk straight, there are signs along the way - pass through the Immigration Building and Central Plaza, which is the Convention and Exhibition Center.
(56 minutes’ journey, $18.5)
Method 2
Take KMB No. 373 from Sheung Shui (Rail Terminus/Tin Ping Estate Station/Fanling Hospital Station), 100 minutes’ journey, $22.3 (Flight 06 :45, 07:00, 07:15, 07:30), get off at Gloucester Road, Wan Chai (Fleming Road Station/Fenwick Road Station) and walk there.