Baosteel Group Corporation
Xuzhou Global Precision Steel Tube Co.,Ltd
Wuxi Century Tengfei Metal Products Co., Ltd.
TPCO
Shanghai Tianyang Steel Tube Co., Ltd.
Ningbo Laike Hydraulics Co., Ltd.
Liaocheng Xince Steel Pipe Co., Ltd.
Hengyang Valin Steel Tube
Guangzhou Kingmetal Steel Industry Co., Ltd.
Changzhou Rencheng Metal (Steel Pipe) Products Co., Ltd.
Jiangsu Changbao Steeltube
Voestalpine Rotec
