The link you had posted seemed to get lost in the ‘ether’-net/Web.
Interesting quote from article:
Analysts at HSBC have been crunching the figures, and they believe that during the first eight months of 2016, property prices in urban areas rose by 18.13% year-on-year. Back at the end of February 2010, the national average price per square metre of property within China was RMB5,508 for urban areas and RMB473 for rural areas. Today these figures have risen to RMB9,570 for urban areas and RMB822 for rural areas.
RMB 822/sq ft = $119/sq ft.
RMB 9570/sq ft = $1,385/sq ft.
This on median chinese wages of approx $14k/yr, per capita GDP below $10k/person/year.
Beijing average annual salary about $16,117.66/yr(111,390yuan), Henan province is about $6,569.15/yr(45,403yuan) – ref statistica.com
NOTE: St Louis fed give different numbers, but still not very good to support their housing costs. https://www.stlouisfed.org/on-the-economy/2018/january/income-living-standards-china