Qingdao Xinwangyuan Hardware and Electric Appliance Co., Ltd.

Qingdao Hengli Hardware Mechanical & Electrical Equipment Co., Ltd.

Jugao Hardware (Fuhaiyang Jiayuan Branch)

Qingdao Dingshe Gear Co., Ltd.

Xinyuan Water Heating (Dongfang Jiayuan Dongqu Branch)

Sentai Electric