GREE Electrical Appliance (Yantai General Agent)

Midea Central Air-conditioner (Huale Homeland West Area Branch)

HITACHI Central Air-conditioner Wisdom Kongqiguan (Xi Shan Garden Branch)

Mitsubishi Heavy-Haier Central Air-conditioner (Zhenhua Street Branch)

Taiyangyu Kongqineng

Sony (Zhenhua Commercial Building Branch)