Sales in the manufacturing sector increased 6.3% in April from a month earlier, but mining sales were down 2.1%, the data showed.
By sector, energy sales rose 9.3% on the month in April, while sales of intermediate and consumer goods advanced 7.3% each. Capital goods sales increased 3.1% month-on-month, while sales of durable goods were up 1.6%.
On an annual basis, industrial sales rose 12.7% in April, on higher sales in all sectors.
Manufacturing sales increased 13.1% in April compared with the same month of 2012, while mining sales were up 3.1% on the year.
In January through April, Romanian industrial sales rose 6.9% on the year, fueled by a 7.3% increase in the manufacturing sector.