Tu Van Va Dich Vu Ky Thuat Nang Luong Elix Joint Stock Company Address: Building 1, Lane 329, Cau Giay Street, Phuong, Cau Giay District, Ha Noi City Enterprise code: 0111530475 Phone: 0982157503 Representative: Lu Trong Hoa Cau Giay Ward, Cau Giay District, Ha Noi CityFounding date: 9 - 6 - 2026