Cum Cong Nghiep Chieng An Joint Stock Company Address: Tam Quynh Hamlet, Chieng An Ward, Tinh Son La, Viet Nam Enterprise code: 5500686731 Phone: 0946539789 Representative: Nguyen Quy Trong Chieng An Ward, Son La City, Son La ProvinceFounding date: 21 - 7 - 2026