Ouying Tube Industry

Hongchang Tube Industry (Anhui Guoqiang Steel Material Trade Zhongxindian)

LESSO Pipeline (Anhui Yaoxinlong Technology Co., Ltd.)

Anhui Weiyan Tube Industry Co., Ltd.

Wanfang Tube Industry (Hefei Direct Selling Store)

Fuyuan Hardware (E. 2nd Ring Road Shop)