Ban Quan Tri Toa Nha Chung Cu The Sapphire Residence Address: S1.2818 Chung Cu The Sapphire Residence, Hong Gai Ward, Ha Long City, Quang Ninh Province Enterprise code: 5702174253 Phone: 0245253670 Representative: Nguyen Van Chinh Hong Gai Ward, Ha Long City, Quang Ninh ProvinceFounding date: 14 - 3 - 2022