LESSO Pipeline Wanzhanheng Building Materials Co., Ltd. (1st Class Agency)

Weixing Pipeline (Chengyang Operating Center)

Qingdao Chengyang Building Materials Wholesale Market (Xiucheng Road)

Huasheng Hardware Shop

Takley Hardware Lockset Wholesale (Chengyang Qicheng Decoration Materials Market Shop)

Hangao Hardware Qingdao Flagship Store