HITACHI Central Air-conditioner Wisdom Kongqiguan (Daweng Flagship Store)

Mcquay Kongqineng Central Air-conditioner Qingdao Operating Center (Qingdao Head Office)

Japan TOSHIBA Air-conditioner CCS Specialty Store

Panasonic Central Air-conditioner (Siliu South Road Shop)

GREE Central Air-conditioner

Aux Air Control (Qingdao College Wanda Plaza Branch)