2017      King had the total output of over 105,595 sets of air conditioning units
2014      King established a North American Office 
2010      King established an European office (officially registered as a branch in the following year) in France
2007      King started to produce air conditionings for 350km/h CRH train
2006      King expanded production and moved into the current factory, and started to produce air conditioning units for 250km/h CRH train
2000      King was awarded as Class “A” supplier by Alstom, and started to produce subway air conditioning units
1997      King cooperated with Mitsubishi Electric to produce air conditioning units for high-speed trains
1995      King started to produce air conditioning units for railway locomotives
1993      King started to produce air conditioning units for railway coaches