Quang Ngai Water Supply Sewerage and Construction Joint Stock Company (UPCoM: QNW) is a Vietnam-based utility company primarily engaged in the production and supply of clean water, as well as the construction and engineering of municipal water and drainage infrastructure. Founded in 1963 as the Quang Ngai Water Plant and equitized in 2010, the company is headquartered in Quang Ngai City, Quang Ngai Province, Vietnam, and operates as a consolidated subsidiary of Hoang Thinh Dat Joint Stock Company.
The company operates through integrated business segments covering water utilities, civil construction, and technical services. Its primary products and services include the extraction, purification, and distribution of treated potable water for residential, commercial, and industrial consumers; construction and installation of tap water transmission pipelines, sewerage networks, and drainage systems; survey, technical consultancy, and engineering design for municipal water supply and environmental infrastructure projects; trading and distribution of specialized water pipes, valves, flow meters, and utility equipment; and installation and maintenance of medium-voltage electrical systems (15 to 22 kV) and electromechanical assemblies for water treatment plants and pumping stations. Quang Ngai Water Supply Sewerage and Construction Joint Stock Company serves tens of thousands of domestic households and key manufacturing zones across Quang Ngai Province through its network of district branches and operating subsidiaries, including Dung Quat Water Supply Company Limited and Quang Ngai Infrastructure Construction and Installation Company Limited.
In recent developments, the company convened an extraordinary general meeting of shareholders to approve the deregulation and cancellation of its public company status, moving toward voluntary deregistration from the UPCoM market to streamline its ownership and administrative structure under controlling parent Hoang Thinh Dat Joint Stock Company. In addition, the company continues to execute capital expenditure programs focused on upgrading plant capacities and extending pipeline infrastructure to meet escalating clean water demand from residential areas and the Dung Quat Economic Zone, while sustaining shareholder distributions through recurring cash dividend payments.