Gioi Thieu Nguoi Giup Viec Lang Son LTD Address: No 26, Nguyen Du Street, Dong Kinh Ward, Lang Son City, Lang Son Province Enterprise code: 4900811801 Phone: 02053555588 Representative: Nguyen Viet Quang Dong Kinh Ward, Lang Son City, Lang Son ProvinceFounding date: 20 - 7 - 2017