Doan Ket Joint Stock Company Address: Civil Group 44, Hong Ha Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200265524 Phone: 0216210819 Representative: Pham Dang Khoa Adress: Civil Group 44, Hong Ha Ward, Yen Bai City, Yen Bai Province Hong Ha Ward, Yen Bai City, Yen Bai ProvinceFounding date: 25 - 10 - 2006