Hardware and Building Materials Business Department (Medicine Unit Shop)

Lei'erda Pneumatic Hydraulic Pressure Hardware

Qingdao Longxinyuan Hardware Co., Ltd. (Huizhou Road Shop)

Shengyuan Hardware and Building Materials (Laizhou Road)

Jiaozhou Kaifeng Hardware Mechanical And Electrical

Jiaozhou Tongda Hardware (Huijin Unit South Area Branch)