Tianjin Pipe International

Tianjin Pipe (Group)

96.51

 Economic and Trading Corporation.

Corporation.

Angang Group Hong Kong Co., Ltd

Angang Steel Co. Ltd...

96.51

Angang Steel Co., Ltd., and

Angang Steel Co. Ltd...

96.51

 Angang Group International

 Trade Corporation.

Anhui Tianda Oil Pipe Co., Ltd.

Anhui Tianda Oil Pipe Co., Ltd.

96.51

Anshan Zhongyou Tipo Pipe &

Anshan Zhongyou Tipo

96.51

 Tubing Co., Ltd.

Pipe & Tubing Co., Ltd.

Baotou Steel International

Baotou Steel

96.51

 Economic and Trading Co., Ltd.

International Economic

and Trading Co., Ltd.

Benxi Northern Steel Pipes Co.,

Benxi Northern Steel

96.51

 Ltd.

Pipes Co., Ltd.

Chengdu Wanghui Petroleum Pipe

Chengdu Wanghui

96.51

 Co. Ltd.

Petroleum Pipe Co. Ltd.

Dalipal Pipe Company...........

Dalipal Pipe Company...

96.51

Faray Petroleum Steel Pipe Co.

Faray Petroleum Steel

96.51

 Ltd.

Pipe Co. Ltd.

Freet Petroleum Equipment Co.,

Freet Petroleum

96.51

 Ltd. of Shengli Oil Field, The

Equipment Co., Ltd. of

 Thermal Recovery Equipment,

Shengli Oil Field, The

 Zibo Branch.

Thermal Recovery

Equipment, Zibo Branch.

Hengyang Steel Tube Group

Hengyang Valin MPM Tube

96.51

 International Trading, Inc.

Co., Ltd.; Hengyang

Valin Steel Tube Co., Ltd.

Huludao Steel Pipe Industrial

Huludao Steel Pipe

96.51

 Co., Ltd./Huludao City Steel

Industrial Co., Ltd./

 Pipe Industrial Co., Ltd.

Huludao City Steel

Pipe Industrial Co., Ltd.

Jiangsu Chengde Steel Tube

Jiangsu Chengde Steel

96.51

 Share Co., Ltd.

Tube Share Co., Ltd.

Jiangyin City Changjiang Steel

Jiangyin City

96.51

 Pipe Co., Ltd.

Changjiang Steel Pipe Co., Ltd.

Pangang Group Beihai Steel Pipe

Pangang Group Beihai

96.51

 Corporation.

Steel Pipe Corporation.

Pangang Group Chengdu Iron &

Pangang Group Chengdu

96.51

 Steel.

Iron & Steel.

Qingdao Bonded Logistics Park

Shengli Oilfield

96.51

 Products International Trading

Highland Petroleum

 Co., Ltd.

Equipment Co., Ltd.;

Shandong Continental Petroleum

Equipment Co., Ltd.;

Aofei Tele Dongying Import &

Export Co., Ltd.;

Highgrade Tubular Manufacturing

(Tianjin) Co., Ltd.;

Cangzhou City Baohai Petroleum

Material Co., Ltd.

Qiqihaer Haoying Iron and Steel

Qiqihaer Haoying Iron

96.51

 Co., Ltd. of Northeast Special

and Steel Co., Ltd. of

 Steel Group.

Northeast Special Steel Group.

Shandong Dongbao Steel Pipe

Shandong Dongbao Steel

96.51

 Co., Ltd.

Pipe Co., Ltd.

ShanDong HuaBao Steel Pipe Co.,

ShanDong HuaBao Steel

96.51

 Ltd.

Pipe Co., Ltd.

Shandong Molong Petroleum

Shandong Molong

96.51

 Machinery Co., Ltd.

Petroleum Machinery Co., Ltd.

Shanghai Metals & Minerals

Jiangsu Changbao Steel

96.51

 Import & Export Corp./Shanghai

Pipe Co., Ltd.;

 Minmetals Materials & Products

Huludao Steel Pipe

 Corp.

Industrial Co., Ltd.;

Northeast Special Steel Group

Qiqihaer Haoying Steel and Iron

Co., Ltd.; Beijing Youlu Co., Ltd.

Shanghai Zhongyou Tipo Steel

Shanghai Zhongyou Tipo

96.51

 Pipe Co., Ltd.

Steel Pipe Co., Ltd.

Shengli Oil Field Freet

Freet Petroleum

96.51

 Petroleum Equipment Co., Ltd.

Equipment Co., Ltd. of

Shengli Oil Field,

The Thermal Recovery

Equipment, Zibo Branch;

Faray Petroleum Steel Pipe

Co., Ltd.; Shengli Oil

Field Freet Petroleum

Steel Pipe Co., Ltd.

Shengli Oil Field Freet

Freet Petroleum

96.51

 Petroleum Steel Pipe Co., Ltd.

Equipment Co., Ltd. of

Shengli Oil Field, The

Thermal Recovery

Equipment, Zibo Branch;

Tianda Oil Pipe Co., Ltd;

Wuxi Fastube Dingyuan

Precision Steel Pipe Co., Ltd.

Shengli Oilfield Highland

Tianjin Pipe Group Corp.;

96.51

 Petroleum Equipment Co., Ltd.

Goods & Materials Supply Dept.

of Shengli Oilfield SinoPEC;

Dagang Oilfield Group

New Century Machinery

Co. Ltd.; Tianjin

Seamless Steel Pipe Plant;

Baoshan Iron & Steel Co. Ltd.

Shengli Oilfield Shengji

Shengli Oilfield

96.51

 Petroleum Equipment Co., Ltd.

Shengji Petroleum

Equipment Co., Ltd.

Tianjin Xingyuda Import and

Tianjin Lifengyuanda

96.51

 Export Co., Ltd. & Hong Kong

Steel Group Co., Ltd.

 Gallant Group Limited.

Tianjin Seamless Steel Pipe

Tianjin Seamless Steel

96.51

 Plant.

Pipe Plant.

Tianjin Tiangang Special

Tianjin Tiangang

96.51

Petroleum Pipe Manufacturer

Special Petroleum Pipe

Co., Ltd.

Manufacturer Co., Ltd.

Wuxi Baoda Petroleum Special

Wuxi Baoda Petroleum

96.51

 Pipe Manufacturing Co., Ltd.

Special Pipe

Manufacturing Co., Ltd.

Wuxi Seamless Oil Pipe Co., Ltd

Wuxi Seamless Oil Pipe Co., Ltd.

96.51

Wuxi Sp. Steel Tube

Wuxi Precese Special

96.51

 Manufacturing Co., Ltd.

Steel Co., Ltd.

Wuxi Zhenda Special Steel Tube

Huai'an Zhenda Steel

96.51

 Manufacturing Co., Ltd.

Tube Manufacturing Co., Ltd.

Xigang Seamless Steel Tube Co.,

Xigang Seamless Steel

96.51

 Ltd.

Tube Co., Ltd.; Wuxi Seamless

Special Pipe Co., Ltd.

Yangzhou Lontrin Steel Tube

Yangzhou Lontrin Steel

96.51

 Co., Ltd.

Tube Co., Ltd.

Zhejiang Jianli Co., Ltd. &

Zhejiang Jianli Co., Ltd.;

96.51

 Zhejiang Jianli Steel Tube Co., Ltd.

Zhejiang Jianli Steel Tube Co., Ltd.

PRC-wide Entity*.

99.14

*Shengli Oil Field Freet Import & Export Trade Co., Ltd.