Ngoc Trai Ha Long Joint Stock Company Address: No 98, Ben Tau, Bach Dang Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700657865 Phone: 0203629030 Representative: Le Van Yen Adress: Khu 7, Cai Rong Town, Van Don District, Quang Ninh Province Bach Dang Ward, Ha Long City, Quang Ninh ProvinceFounding date: 7 - 6 - 2007