Hi Ray from Malaysia,what subway to take from Shangila Futian to Sea World & also to Splendid China in Shenzhen?

Walk from your hotel to Fortune Building (Caifu Dasha) to take bus no. 103b to get off at Xiaomeisha Station. Then you can walk to the Sea World.

To Splendid China, you can walk from your hotel to Shopping Park (Gouwu Gongyuan) subway station to take Luobao Line to get off at OCT Station. Get out from exit B1 and your destination is within 200m away.

To East Gate (Dongmen), you can use the same metro line to get off at Laojie Station and walk there.