O Sung RF Vina LTD Address: Lot CN1-1, Que Vo 3 Industrial Zone, Viet Hung Commune, Que Vo District, Bac Ninh Province Enterprise code: 2301035391 Phone: 01682605514; 0382605514 Representative: Ahn Sang Cheol Viet Hung Commune, Que Vo District, Bac Ninh ProvinceFounding date: 20 - 7 - 2018