Tu Van Kien Truc Va Xay Dung Hoang Ha Joint Stock Company Address: Civil Group 1, Tan Thinh Ward, Thai Nguyen City, Thai Nguyen Province Enterprise code: 4601552813 Phone: 0967769898 Representative: Hoang Ngoc Tu Tan Thinh Ward, Thai Nguyen City, Thai Nguyen ProvinceFounding date: 13 - 1 - 2020