Dau Tu Quang Son Joint Stock Company Address: No 29, 34 Diem Son Lane, Civil Group 18, Phu Ninh Commune, Tinh Phu Tho, Viet Nam Enterprise code: 2601162030 Phone: 0865752888 Representative: Hoang Viet Hung Phu Ninh Commune, Phu Ninh District, Phu Tho ProvinceFounding date: 11 - 9 - 2026