Jiaozhou Xiaolv Hardware Mechanical And Electrical Business Department

Shengyuan Hardware and Building Materials (Laizhou Road)

Jiankun Hardware Mechanical And Electrical (Shenzhou Kangdu Lvyuan North Area Branch)

Shiyangyu Hardware Biaozhunjian

Qingdao Advanced Hardware Co., Ltd.

Qingdao Zhenghe Hardware and Building Materials Co., Ltd.