- Binh Dinh Water Supply and Sewerage Joint Stock Company (BDW), formerly known as Quy Nhon Water Plant, was established in 1976. The Company specializes in 4 business lines, including: (i) Producing and providing clean water for residents of Quy Nhon City, Binh Dinh town, and 8 surrounding townlets. (ii) Constructing and emptying septic tanks. (iii) Maintaining the water supply and sewerage systems. and (iv) Trading raw materials related to water supply and sewerage sector. BDW has been traded on the UPCOM market since 2015.