Khoi Khai B3K LTD Address: No 15, 469 Phan Trong Tue Lane, Thanh Liet Ward, Thanh Tri District, Ha Noi City Enterprise code: 0111406823 Phone: 0989334811 Representative: Le Thi Binh Thanh Tri District, Ha Noi CityFounding date: 11 - 3 - 2026