Dong Ha Joint Stock Company Address: No 95, Vung Duc Street, Cam Dong Ward, Cam Pha City, Quang Ninh Province Enterprise code: 5700300985 Phone: 02033862090 Representative: Pham Viet Thang Adress: 48B Civil Group, Cam Dong Ward, Cam Pha City, Quang Ninh Province Cam Dong Ward, Cam Pha City, Quang Ninh ProvinceFounding date: 7 - 6 - 2000