Vat Lieu Khoang San Truong Son Joint Stock Company Address: Tai Nha Ong Bui Van Thien, Khoang Hamlet, Hung Thi Commune, Huyen Lac Thuy, Tinh Hoa Binh, Viet Nam Enterprise code: 5400551018 Phone: 02373666686 Representative: Ho Van Hien Hung Thi Commune, Lac Thuy District, Hoa Binh ProvinceFounding date: 16 - 1 - 2025