Tan Cuong Water - Environment Technology Joint Stock Company
K356/97- Hoàng Diệu, Phường Bình Thuận, Hai Chau District
Hai Ha Ngoc Company Limited
112 Lương Nhữ Hộc, Phường Hoà Cường Bắc, Hai Chau District
Telecom - Informatics Technology and Construction Company
33 Đào Cam Mộc, Phường Hoà Cường Bắc, Hai Chau District