Chuyen Doi So Lang Son LTD Address: No 334, Ba Trieu Street, Vinh Trai Ward, Lang Son City, Lang Son Province Enterprise code: 4900886437 Phone: 0986911663; 0248620108 Representative: Tran Thi Phuong Lan Vinh Trai Ward, Lang Son City, Lang Son ProvinceFounding date: 17 - 3 - 2022