Work Harder - DunAn 2017 Advanced Employee Commendation Conference Held Successfully Activity Time:2018-01-28to 2018-01-28

First "DunAn Cup" College Student HVAC Design Competition in 2018 Activity Time:to

Fourth "Master Cup" Product Application Design Competition of DunAn Central Air Conditioning Activity Time:2017-03-01to 2017-12-31

2016 Summary and Commendation Conference of DunAn Central Air Conditioning Activity Time:2017-02-15to 2017-02-15

"Boundless craftsmanship to become excellent" 2017 Dealers Conference of DunAn Central Air Conditioning Activity Time:2017-01-12to 2017-01-14

"Develop with excellent craftsmanship and quality" the Eighth Distribution Conference and the Third Green Technology Application Forum Activity Time:2016-01-11to 2016-01-14