Coalification oxygen did not take over the station, oxygen production has been the use of mechanical compression air separation oxygen, power loss and annual maintenance cost of large equipment.

煤化公司未接管氧气站时，氧气生产一直是采用机械压缩空分制氧，每年电能损耗及设备维护保养费用很大。

youdao

In a country with a very high savings rate and 5% inflation, this resulted in a 4% annual loss of purchasing power.

FORBES: How China Will Crash And Burn