A month earlier, industrial sales fell 11.3% compared with March.
Sales in the manufacturing industry increased 10.6% on the month in May, while mining sales were up 2%, the data showed.
By sector, sales in the capital goods industry rose 16.9% in May from a month earlier, while sales in the intermediate and energy industries increased 9.8% and 8.1%, respectively.
Sales in the durable and consumer goods industries were up 7.9% and 5.5% on the month, respectively.
On an annual basis, industrial sales rose 17.3% in May, again boosted by higher sales in all sectors.
In January to May, industrial sales advanced 20.4% from the year-earlier period, mainly fueled by a 21.3% increase in the manufacturing sector.