Xinguo Building Materials Business Department (Duanjiatan Xinyuan Unit Branch)

Yongfeng Chemical Industry Building Materials (Lanzhou Longchen Hardware Mechanical and Electrical Market Shop)

Chenmao Aluminium Material (Yanbei Road Shop)

Hongfa Building Materials Hardware Firm

Longyuan Water Heating Building Materials Co., Ltd.

Lanzhou Xinzesheng Building Materials Decoration Co., Ltd.