Tuan Chau Dao Ngoc Joint Stock Company Address: Civil Group 4, Khu 6, Cam Trung Ward, Cam Pha City, Quang Ninh Province Enterprise code: 5701666132 Phone: 02036292161 Representative: Nguyen Thi Quyen Adress: Hoang Gian Hamlet, Hoang Tien Commune, Chi Linh Town, Hai Duong Province Cam Trung Ward, Cam Pha City, Quang Ninh ProvinceFounding date: 7 - 1 - 2013