Hop Tac Xa Cong Nghe Cao Khanh Chi Address: Trung Hamlet, Nghia Trung Commune, Viet Yen District, Bac Giang Province Enterprise code: 2400920894 Phone: 0975352970 Representative: Nguyen Thi Nguyet Nghia Trung Commune, Viet Yen District, Bac Giang ProvinceFounding date: 27 - 9 - 2021