Chung Quan 686 LTD Address: Rung Dong Hamlet, Dong Tan Commune, Huu Lung District, Lang Son Province Enterprise code: 4900683356 Phone: 0984217928 Representative: Nguyen Danh Quan Adress: Ha Hamlet, Phu Luu Te Commune, My Duc District, Ha Noi City Dong Tan Commune, Huu Lung District, Lang Son ProvinceFounding date: 21 - 10 - 2011