SHANGHAI MANSION. THE AWARD-WINNING BOUTIQUE OASIS IN CHINATOWN BANGKOKnRelax and rejuvenate at Shanghai Mansion. Chinatown best known and award-winning boutique hotel. Already a short walk from the MRT Wat Mangkorn underground metro station and now even closer. Getting to and from Shanghai Mansion. and connecting to Bangkok top shopping market and nightlife districts. is ever so easy.