Amico Valve Water Meter (Zhengyang Middle Road Branch)

Aihua Water Heating Building Materials (Chengyang Shuangli Garden Branch)

Qingdao High Pressure Valve Co., Ltd.

Dunyun Valve (Chengyang Branch)

Lvye Hardware Department Store (Hairun Guangchang Branch)

Qingdao Shengshunda Hardware Mechanical And Electrical Co., Ltd.