A worker carrying ice bricks at an ice factory in Hefei, Anhui Province, on Sunday, July 22, 2018. (Photos: VCG)

Workers load ice bricks in an ice factory in Hefei, Anhui Province, on Sunday, July 22, 2018.

An ice factory in Hefei, Anhui Province, on Sunday, July 22, 2018.

The factories are busy at this time of year as a large number of customers order ice bricks to get some relief from the heat of summer.