Xindongchuan Jiaoye (Chengyang Qicheng Decoration Materials Market Shop)

Qingdao Chengyang Building Materials Wholesale Market (Xiucheng Road)

Nippon Yangkaixin Decoration Materials Store

Rubber Seal

Qingdao Meichao Guanfang General Agent (Chengyang Branch)

LESSO Pipeline Hanhe PE Minjinxin Building Materials Co., Ltd. (1st Class Agency)