Mien Trung Fresh Environment Company Limited
Thôn Phú lộc 2, Xã Quảng Phú, Quang Trach District
Vietnam Project Development Company Limited
106 Hữu Nghị, Phường Nam Lý, Dong Hoi City
Centraltech Environment Co., Ltd
28 Hồ Xuân Hương, Phường Đồng Mỹ, Dong Hoi City