Cong Nghe Xay Dung Stech LTD Address: Hoang Lien Son Street, Civil Group 6, Trung Tam Ward, Nghia Lo Town, Yen Bai Province Enterprise code: 5200964829 Phone: 0349176828; Representative: Nguyen Lan Anh Trung Tam Ward, Nghia Lo Town, Yen Bai ProvinceFounding date: 2 - 3 - 2026