This photo taken on June 19, 2023 shows workers working at a factory of Lotus in Wuhan, central China's Hubei Province. (Xinhua/Cheng Min)

China's value-added industrial output, an important economic indicator, went up 4.6 percent year on year in October, data from the National Bureau of Statistics (NBS) showed Wednesday.

Among the three major sectors, the mining sector and the manufacturing sector expanded by 2.9 percent and 5.1 percent, respectively, in October, while the production and supply of electricity, heat, gas, and water rose by 1.5 percent.

In a breakdown by ownership, the output of state-controlled companies, joint-equity firms, and private enterprises went up 4.9 percent, 5.6 percent, and 3.9 percent year on year, respectively, last month.

In terms of products, the output of solar cells surged by 62.8 percent, while service robots and integrated circuits rose by 59.1 percent and 34.5 percent.

From January to October, industrial output rose 4.1 percent year on year, according to the NBS.

The industrial output is used to measure the activity of enterprises, each with an annual main business turnover of at least 20 million yuan (about 2.79 million U.S. dollars).