Phat Trien Cong Nghe Ha Long Joint Stock Company Address: No 456a, Ha Long Street, Civil Group 11, Khu 9, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701672626 Phone: 02033815818 Representative: Tran Thi Ngan Adress: Civil Group 56, Khu 5, Ha Khau Ward, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 2 - 4 - 2013