- Producing and trading clean water.

- Designing, investin and constructing water supply and drainage works.

- Constructing electric system 22/15KV for water supply works.

- 1963: Quang Ngai Water Factory was established;

- 03 February 2010: Quang Ngai Provincial People's Committee issued the Decision No.152/QD-UBND on transforming Quang Ngai Water Supply Sewerage and Construction One-member Limited Company into thành Quang Ngai Water Supply Sewerage and Construction Joint Stock Company;

- 24 February 2010: Put into operation under the model of a joint stock company with a charter capital of  VND48,795,220,000 under the business registration certificate No.4300326264 issued by Quang Ngai Department of Planning and Investment;

- 15 April 2016: Charter capital was raised up to VND54,909,880,000;

- 27 October 2017: Charter capital was raised up to VND200 billion;