Co Khi Hoang Ha Joint Stock Company Address: No 93, Civil Group 7, Khu 3, Yet Kieu Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700663499 Phone: 0203618886 Representative: Hoang Ngoc Triu Adress: 40a Civil Group, Yet Kieu Ward, Ha Long City, Quang Ninh Province Yet Kieu Ward, Ha Long City, Quang Ninh ProvinceFounding date: 10 - 7 - 2007