Kien Truc Va Cong Nghe Hoang Lien Son Joint Stock Company Address: Civil Group 3, Dong Tam Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200907965 Phone: 0982705500 Representative: Le Manh Toan Dong Tam Ward, Yen Bai City, Yen Bai ProvinceFounding date: 20 - 2 - 2020