厂家: Asia Development for technology and environment, Asiatech Group, Binh Thinh Limited Company, Europe Corporation JSC, HOA Binh Khoa Thuy Limited Company, +9Linh Anh Construction and Investment JSC, Phuc Tri Trading Construction Investment Company Limited, Rang Dong Light Source, Sumitomo Corporation, TRA River Construction, Tourism Joint Stock Company, Vacuum Flask Joint Stock Company, Vietnam Steel Corporation, Viglacera-9
