Chongqing Guanqi Building Materials Co., Ltd.

Chongqing Mingyuan Materials Co., Ltd.

Chongqing Yuanhai Materials Co., Ltd. (Lvyun Steel Material Market A Unit Branch)

Chongqing Baomao Materials Co., Ltd.

Chongqing Yubijian Materials Co., Ltd.

Chongqing Weixin Materials Co., Ltd.