Tu Van Thiet Ke Hoang Dung Joint Stock Company Address: Civil Group 4, Coc Pai Town, Xin Man District, Ha Giang Province Enterprise code: 5100267782 Phone: 0972675888 Representative: Phan Phi Hung Adress: Civil Group 4, Coc Pai Town, Xin Man District, Ha Giang Province Coc Pai Town, Xin Man District, Ha Giang ProvinceFounding date: 20 - 3 - 2009