Lien Doanh San Xuat Bi Thuy Tinh Do Choi VNT Address: Cong Nghiep Lai Yen Cluster, Hoai Duc District, Ha Noi City Enterprise code: 0500467875 Phone: 02437726912 Representative: Ha Van Tham Adress: 29 Bis Au Co, Tay Ho District, Ha Noi City Hoai Duc District, Ha Noi CityFounding date: 24 - 6 - 2005