Zhongcai Pipeline (Yanbei West Road Shop)

Guorongguan Weishi Guan (Haiyan Building Materials Market Shop)

Haiyan Yufang Building Materials Business Department (Qidu Yangguang Commerce Office Building Shop)

Huajin Building Materials Wholesale Department (Yanbei West Road Shop)

Loubang Building Materials (Haiyan Branch)

Haiyan Zhengrong Hardware Co., Ltd.