Ky Thuat Vinh Xanh Joint Stock Company Address: Khu N5, Do Si Hoa Street, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5702109769 Phone: 0981202090 Representative: Mai Van Hoan Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 22 - 2 - 2022