Zhengtai Hardware (Qingdao South Road Side Road Shop)

Jiahong Electricity Water & Heating Hardware

Hongxin Pipeline (Weihai Daguanghui Building Materials Decoration Town Shop)

Hongxinya Poly Pipeline

Liansu Jinshu Line Guanhuasheng Electrical Appliance Building Materials

Baohua Rifeng Pipe Water Heating Hardware Building Materials (Hot Spring Kangcheng Branch)