Tan Son Address: Truong An Hamlet, Truong Yen Commune, Hoa Lu District, Ninh Binh Province Enterprise code: 2700506620 Phone: 02293620356 Representative: Tran Van Phien Adress: Truong An Hamlet, Truong Yen, Hoa Lu District, Ninh Binh Province Truong Yen Commune, Hoa Lu District, Ninh Binh ProvinceFounding date: 25 - 4 - 2009