Quynh Thi LTD Address: 136 Nam Quan, Dong Dang Town, Cao Loc District, Lang Son Province Enterprise code: 4900307520 Phone: 02053222919 Representative: Ha Minh Dung Adress: 136 Khu Nam Quan, Dong Dang Town, Cao Loc District, Lang Son Province Dong Dang Town, Cao Loc District, Lang Son ProvinceFounding date: 3 - 4 - 2009