You can take bus No.75 from Shenzhen North Railway Station to Wang Di Mansion, bus 1 hour 16 minutes, a total of 17.7 kilometers. So you can take a bus from Shenzhen North Station to Wang Di Building.
From Shenzhen North Railway Station to Wang Di Building, you can also take Metro Line 6 and Line 1, with a total length of 13.8km, which takes 35 minutes.