Bluesphere Holdings LTD Address: 19 Phung Khac Khoan, Sai Gon Ward, Ho Chi Minh Town, Viet Nam, Ho Chi Minh City Enterprise code: 0319545336 Phone: 02862848300 Representative: Do Thi Kieu Trang Sai Gon Ward, District 1, Ho Chi Minh CityFounding date: 13 - 5 - 2026