Dich Vu Vien Thong Dong Van LTD Address: No 13, Civil Group 2, Dong Van Town, Huyen Dong Van, Tinh Ha Giang, Viet Nam Enterprise code: 5100503581 Phone: 0988356635 Representative: Ha Khanh Dung Dong Van Town, Dong Van District, Ha Giang ProvinceFounding date: 2 - 4 - 2025