Cong Nghe Xanh Dai Nam Son Joint Stock Company Address: Na Ha Hamlet, Chieng Mung Commune, Tinh Son La, Viet Nam Enterprise code: 5500691001 Phone: 0903489176 Representative: Ha Thi Minh Hai Chieng Mung Commune, Mai Son District, Son La ProvinceFounding date: 7 - 10 - 2026