Hung Sim LTD Address: Tieu Khu 5, Hat Lot Town, Mai Son District, Son La Province Enterprise code: 5500289004 Phone: 0212222482 Representative: Pham Viet Hung Adress: Tieu Khu 5, Hat Lot Town, Mai Son District, Son La Province Hat Lot Town, Mai Son District, Son La ProvinceFounding date: 30 - 7 - 2007