Kien Kinh LTD Address: Khoi 2, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500548611 Phone: 0983525866 Representative: Doan Thi Thuy Vu Trung Kien Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 8 - 3 - 2017