Tu Van Phat Trien Cong Nghe Iso Joint Stock Company Address: Civil Group 15, Yen Binh Town, Yen Binh District, Yen Bai Province Enterprise code: 5200889096 Phone: 0978876805 Representative: Pham Van Bien Yen Binh Town, Yen Binh District, Yen Bai ProvinceFounding date: 28 - 5 - 2018