Khai Thac Va Che Bien Khoang San Chien Thang LTD Address: Tan Tien Hamlet, Son Dong Commune, Tinh Phu Tho, Viet Nam Enterprise code: 2500775979 Phone: 0967834142 Representative: Nguyen Luc Chien Son Dong Commune, Lap Thach District, Phu Tho ProvinceFounding date: 20 - 5 - 2026