PHILIPS (Beiguo Commercial Bulding Branch)

Daikin Guanfang Exhibition Hall (Shijiazhuang)

Midea Air-conditioner (Beiguo Shopping Mall Beiguo Electrical Appliance Head Office)

Beiguo Electrical Appliance (Beiguo Shopping Mall Head Office)

HITACHI Central Air-conditioner Wisdom Kongqiguan

Kufeng Home Central Air-conditioner (Chang'an Jiuzhi Shop)