Aviation Sources in China say, that at the time fog prevailed with a visibility of 300 meters.
The airplane touched down 1000 meters from the runway.
The airport is capable to accept Airbus A320, Boeing 737 ... runway length of 2400 meters (7870 feet) and width of 45 meters (150 feet).
The runway 12/30 features PAPIs for both ends, VOR/DME and NDB approaches are available for both ends.
The local weather station reported fair weather (few cloud), 20km visibility, calm winds
Interesting, the different perceptions of wx depending upon source ...
Sincerely hope the pilot rallies/heals so he can explain what happened ...