Zhongyou Tongfeng Engineering

China Huasheng Tongfeng Equipment

Jinshi Tongfeng (Er Shop)

Weishi Tongfeng (Hardware International Mechanical And Electrical Commerce & Trade City)

Jirui Tongfeng Equipment Co., Ltd. Xinjirui Air Conditioning (Anhui International Hardware Mechanical And Electrical Commerce & Trade City Phase 3 A Unit Branch)

Jiuzhou Blower (Hefei Sales Agency)