Dau Tu Chu Trinh Joint Stock Company Address: Chu Trinh 4 Civil Group (Lung Na Hamlet, Chu Trinh Cu Commune), Tan Giang Ward, Tinh Cao Bang, Viet Nam Enterprise code: 4800953841 Phone: 0818489666 Representative: Vu Phuong Thao Tan Giang Ward, Hoa An District, Cao Bang ProvinceFounding date: 5 - 5 - 2026