According to regular data compiled by the economy ministry, industrial output increased by 0.2 percent in April, after falling by 0.6 percent in March.
Manufacturing output edged up by 0.1 percent and energy output increased by 2.7 percent, while construction output contracted by 1.2 percent.
Taking the period from February to April combined to iron out short-term fluctuations, industrial output grew by 0.5 percent compared with the preceding three-month period, the ministry calculated.