Hoang Yen LTD Address: Civil Group 13, Trung Tam Ward, Nghia Lo Town, Yen Bai Province Enterprise code: 5200271285 Phone: 0216870165 Representative: Truong Thi Bich Lien Adress: Civil Group 13, Trung Tam Ward, Nghia Lo Town, Yen Bai Province Trung Tam Ward, Nghia Lo Town, Yen Bai ProvinceFounding date: 5 - 4 - 2007