Yen Dung LTD Address: No 15, Khoi 13, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500365745 Phone: 02123863712 Representative: Nguyen Hai Yen Adress: Khoi 13, Phu Yen Town, Phu Yen District, Son La Province Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 15 - 5 - 2009