Automotive A/C

Brilliance Auto,BYD Auto,Changan Auto,Sanden,SONGZ,Shuanghua,Traudo,Xingyu,Aotecar

Scientific Research Institutes

China National Institute of Standardization,China Telecommunication Technology Labs,Anhui Bureau of Quality and Technical,Zhejiang Province Institute of Metrology,Guangdong Xi,an Jiaotong University Academy,Chongqing Academy of Metrology and Quality Inspection,University of Shanghai for Science and Technology

Household and commercial A/C

Emerson,Johnson Controls,Gree,Haier,Midea,Trane,Carrier,STULZ,Danfoss,Samsung,TICA,Hisense Hitachi,Mitsubishi heavy Haier,
Lince Group,Landa Compressor,Wanbao Group

Train A/C

Faiveley,Merak-Jinxin,SONGZ