Registration to HSMAI Two Day Hotel Revenue Workshops in Singapore. Activities in the region are held in Singapore, Hong Kong, Shanghai, Sydney, Melbourne, Bangkok, Jakarta and Bali. JS Luwansa Hotel Jakarta is ideally located in Kuningan, the fastest-growing and most exclusive business district in Jakarta. The new JS Luwansa Hotel and Convention Center is the perfect destination for discerning travelers who need a strategic base. Prior to this, the company…