Phat Trien Ha Tang Thang Long Joint Stock Company Address: Civil Group 47, Ha Tu Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700559402 Phone: 0903223569 Representative: Truong Duc Tuan Adress: Civil Group 47, Ha Tu Ward, Ha Long City, Quang Ninh Province Ha Tu Ward, Ha Long City, Quang Ninh ProvinceFounding date: 12 - 8 - 2005