Cong Nghe Cao Ngan Son Joint Stock Company Address: No 64, Civil Group 10, Nong Van Quang Street, Song Cau Ward, Bac Kan City, Tinh Bac Kan, Viet Nam Enterprise code: 4700296550 Phone: 0822461222 Representative: Nguyen Quang Thien Song Cau Ward, Bac Kan City, Bac Kan ProvinceFounding date: 31 - 3 - 2025