Dang Khoa Address: Hop Quarter, Bao Dap Commune, Tran Yen District, Yen Bai Province Enterprise code: 5200230070 Phone: 02163824008 Representative: Nguyen Dang Khoa Adress: Hop Quarter, Bao Dap, Bao Dap Commune, Tran Yen District, Yen Bai Province Bao Dap Commune, Tran Yen District, Yen Bai ProvinceFounding date: 27 - 9 - 2004