Dong Ngoc Son La LTD Address: Phong Lang Hamlet, Thuan Chau Commune, Tinh Son La, Viet Nam Enterprise code: 5500691361 Phone: 0335957390 Representative: Luong Thi Thu Ngoc Thuan Chau Commune, Thuan Chau District, Son La ProvinceFounding date: 13 - 10 - 2026