The three aspects are classified by workers, then brewed salt for 4 days 4 nights. Salt water using three -sheet salt is mixed with a separate proportion, then distilled at high temperatures.
Nguyen Thi To, 28 years old, Tan Hoa hamlet, Tran Phan, said that she had worked at the facility for 5 years, with a salary of 5 million VND per month. “Previously, I was only at home as a housewife, now I have a stable job, family life is better than before,” To said.