Hop Tac Xa Dich Vu Tong Hop Khanh An Address: So 7 Civil Group, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200930611 Phone: 0976191880 Representative: Doan Manh Hai Adress: So 7 Civil Group, Mau A Town, Van Yen District, Yen Bai Province Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 31 - 3 - 2022