Boi Duong Kien Thuc Van Han LTD Address: Xom, Ca Village, Van Han Commune, Dong Hy District, Thai Nguyen Province Enterprise code: 4601608375 Phone: 0243687480 Representative: Nguyen Tu Anh Van Han Commune, Dong Hy District, Thai Nguyen ProvinceFounding date: 31 - 7 - 2023