Hoang Yen Address: Bai A 1, Cho Chu Town, Dinh Hoa District, Thai Nguyen Province Enterprise code: 4600517742 Phone: 02083878531 Representative: Nguyen Van Tuyen Adress: Bai A1, Cho Chu Town, Dinh Hoa District, Thai Nguyen Province Cho Chu Town, Dinh Hoa District, Thai Nguyen ProvinceFounding date: 22 - 10 - 2009