An Khang Tay Bac Joint Stock Company Address: No 146, Street 8/5, Tieu Khu 4, Yen Chau Town, Yen Chau District, Son La Province Enterprise code: 5500642928 Phone: 0979425555 Representative: Vuong Ngoc Anh Yen Chau Town, Yen Chau District, Son La ProvinceFounding date: 6 - 12 - 2021