Phong Ke Hoach Moi Truong Dong Hy Address: Chua Hang Town, Dong Hy District, Thai Nguyen Province Enterprise code: 4600203591 Phone: 02148820193 Adress: Dong Hy District, Thai Nguyen Province Chua Hang Town, Dong Hy District, Thai Nguyen ProvinceFounding date: 8 - 4 - 1999