LESSO Pipeline (Qingdao Longxin Trading Co., Ltd.)

Liansu Zhongcai Pipeline (Suzhou Road Branch)

Shenggang Hardware Mechanical And Electrical Tool Firm (Howard World Commerce & Trade City Shop)

ERA Pipeline (Xiyuan Unit Shop)

Aoshilong Decoration Building Materials (Howard World Commerce & Trade City Shop)

Qingdao Xinrun Kangda Building Materials (Howard World Commerce & Trade City Shop)