Yixian Haier Central Air-conditioner Kongqineng

Midea Air-conditioner Kongqineng

HITACHI Central Air-conditioner Wisdom Kongqiguan

Tsinghua Tongfang Kongqineng (Tongxing West Road Shop)

Mcquay Air Conditioning (Jinghuan Line Shop)

Mitsubishi Heavy-Haier Central Air-conditioner (Zizhuyuan Branch)