Tu Van Du An Viet Han Joint Stock Company Address: 747 Dang Chau Tue, Quang Hanh Ward, Cam Pha City, Quang Ninh Province Enterprise code: 5701963689 Phone: 0912833833 Representative: Ha Dung Quang Hanh Ward, Cam Pha City, Quang Ninh ProvinceFounding date: 8 - 11 - 2018