Dau Tu Dong Son Joint Stock Company Address: Trang Liet Quarter, Trang Ha Ward, Tu Son Town, Bac Ninh Province Enterprise code: 2300482284 Phone: 02223831556 Representative: Nguyen Thi Mung Adress: Trang Ha Quarter, Trang Ha Ward, Tu Son Town, Bac Ninh Province Trang Ha Ward, Tu Son City, Bac Ninh ProvinceFounding date: 31 - 7 - 2009