Mitsubishi Electric Central Air-conditioner (Linyi Head Office)

Mitsubishi Heavy Industry Air-conditioner (Linyi K Shop)

Panasonic (Jiuzhou Electrical Appliances Jiefang Road Shop Shop)

HITACHI Bianpin Central Air-conditioner (Duolian Duoyi Shop)

GREE Electrical Appliance (Jinqueshan Road Branch)

Hisense Central Air-conditioner Gaoduan Experience Branch