2021
Obtained multiple authoritative certifications including ISO, CRAA, CE, TUV, FDA and other international certifications
2015
The first automatic production line for fan coil units has been completed
2010
Registration and establishment of Langri Heating and Cooling Equipment Factory in Qingyuan County to begin production of civilian water temperature air conditioners
2002
Registered and established Qingyuan Langri Heating Furnace Factory, specializing in the production of atmospheric hot water boiler series
1986
Start building factories and enter the heating industry