Ecs Ha Long Joint Stock Company Address: No 15, Civil Group 6, Khu 3, Gieng Day Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701973140 Phone: 02968338588 Representative: Bui Quoc Hung Adress: No 15, Civil Group 6, Khu 3, Gieng Day Ward, Ha Long City, Quang Ninh Province Gieng Day Ward, Ha Long City, Quang Ninh ProvinceFounding date: 8 - 1 - 2019