beijing july 17 reuters  chinas average daily coal production rebounded in june from a sixmonth low in the prior month official data showed on monday as miners ramped up output to meet increasing demand for power amid a heatwave in the country china churned out 3901 million metric tons of coal last month up 25 from a year earlier and up 12 from may data from the national bureau of statistics nbs showed on monday the daily production in june was equivalent to 13 million metric tons up from 1243 million metric tons in may which marked the lowest level since october 2022 coal output during the first half of 2023 reached 23 billion metric tons 44 higher than the same period last year chinas mining safety watchdog has tightened inspections since late june after two deadly accidents occurred in the shanxi and liaoning provinces limiting some production chinese mines are known to be among the deadliest in the world and the country has carried out several rounds of mining safety checks since late february following an accident in inner mongolia that killed dozens of people meanwhile increased coal supplies and sluggish industrial demand have led to a pileup of inventories at utilities and ports while coal prices remain depressed some miners were forced to cut output due to thin margins and sluggish sales the average operations rate at major coal mines in the hubs of shanxi shaanxi and inner mongolia fell to 82 in june from 84 in may data compiled by the china coal transportation and distribution cctd showed