Chi Nhanh So 1 - Cong Ty TNHH Chieu Sang Kinh Bac Address: 6th Floor, No 01, Alley 19, Lane 90, Khuat Duy Tien Street, Phuong, Thanh Xuan District, Ha Noi City Enterprise code: 2301324280-001 Phone: 0355763434 Representative: Tran Van Chuong Thanh Xuan Ward, Nam Tu Liem District, Ha Noi CityFounding date: 13 - 7 - 2026