Dau Tu Ky Thuat Cong Nghe Che Tao Ngoc Hoang LTD Address: Song Hamlet, Toan Thang Commune, Tinh Phu Tho, Viet Nam Enterprise code: 5400564017 Phone: 0343828292 Representative: Bui Van Ngoc Toan Thang Commune, Tan Lac District, Phu Tho ProvinceFounding date: 22 - 10 - 2025