Hoang Thinh LTD Address: Phieng Ban Ii, Bac Yen Town, Bac Yen District, Son La Province Enterprise code: 5500344819 Phone: 02123860565 Representative: Duong Van Hai Adress: Tieu Khu I, Bac Yen Town, Bac Yen District, Son La Province Bac Yen Town, Bac Yen District, Son La ProvinceFounding date: 16 - 1 - 2009