Tu Van Ky Thuat Va Dich Vu HKV Viet Nam LTD Address: No 36, 9a Civil Group, Khu, Thanh Xuan District, Ha Noi City Enterprise code: 2601139546 Phone: 0978977718 Representative: Nguyen Tam Hac Phu Tho ProvinceFounding date: 6 - 10 - 2025