Cong Nghe Sinh Hoc An Son Joint Stock Company Address: Civil Group 9, Khu 2, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5702027957 Phone: 0904737889 Representative: Nguyen Thi Phuong Adress: Civil Group 2, Khu 1, Gieng Day Ward, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 27 - 12 - 2019