LESSO Pipeline (Lanzhou Xinshunyuan Commerce And Trade)

Huahu Pipeline (Liansuguan Rifeng Pipe Jinniuguan)

Rifeng Pipe (Huachu Hardware and Building Materials Market Branch)

Chenhe Hardware and Building Materials (Rainbow City Unit B Branch)

Xintai Hardware and Building Materials Wholesale Department (Lanzhou New Area Guarantee Fang 2 Qi C Unit Shop)

Xingjie Tube Industry (Gansu Mingxuanchen Trading Co., Ltd.)