湖南华菱钢铁集团

武汉钢铁股份有限公司

新余钢铁集团有限公司

广东韶钢松山股份有限公司

云南武钢集团昆明钢铁股份有限公司

四川攀枝花新钢钒股份有限公司

重庆中冶赛迪工程技术股份有限公司

马鞍山钢铁股份有限公司

江苏沙钢集团有限公司

江阴兴澄特种钢铁有限公司

浙江青山钢铁有限公司

安钢集团信阳钢铁有限责任公司

陕西钢铁集团汉中钢铁有限公司

山西太钢（集团）不锈钢股份有限公司

新疆八一钢铁股份有限公司

甘肃酒钢集团宏兴钢铁股份有限公司

内蒙古包钢钢联股份有限公司

辽宁本溪北营钢铁(集团)有限公司

河北钢铁股份有限公司邯郸分公司

河北石家庄钢铁有限责任公司

山东石横特钢有限公司

日照钢铁控股集团有限公司

台湾中钢集团

上海市宝山钢铁股份有限公司

天津钢管集团股份有限公司

天津钢铁集团有限公司

河北津西钢铁集团股份有限公司

河北迁安首钢

河北唐山燕山钢铁有限公司

Hengyang Valin MPM Tube Co., Ltd.
Yiyang Sands Heavy Machinery Manufacturing Co., Ltd.
Lengshuijiang Boda Steel & Iron Co., Ltd.
Hunan Valin Iron and Steel Co. Ltd.
Hunan Valin Xiangtan Iron & Steel Co., Ltd.

Wuhan Yuanfang Iron & Steel Co., Ltd.
Hubei Xinye Iron & Steel Co., Ltd.
Ezhou Wucheng Iron & Steel Co., Ltd.
Wuhan Iron & Steel Company Limited
Daye Huaxin Industry Co., Ltd.
Guangshui Huaxin Metallurgical Industry Co., Ltd.
Hubei E Steel Co., Ltd.
Xiangfan Long Iron & Steel Material Co., Ltd.

Jiangxi Fangda Special Steel Technology Co., Ltd.
Pingxiang Iron & Steel Co., Ltd.
Xinyu Iron & Steel Co., Ltd.
Xinyu Xinliang Special Steel Co., Ltd.
Jiangxi Fangda Special Steel Technology Co., Ltd.

Guangdong Qingyuan Qingshan Stainless Steel Co., Ltd.
Zhuhai Yueyu Iron & Steel Co., Ltd.
Yangchun New Iron & Steel Co., Ltd.
SGIS Songshan Co., Ltd.
Guangzhou Iron & Steel Enterprise Group Co., Ltd.

Yunnan Yuxi Xinxing Steel Co., Ltd.
Yunnan Desheng Iron & Steel Co., Ltd.
Anning Yongchang Steel Co., Ltd.
Yunnan Yuxi Xianfu Iron and Steel (Group) Co. Ltd.
Kunming Red River Steel Plant.
Kunming Iron and Steel Co. Ltd.
Yunnan Chuxiong Iron & Steel Co., Ltd.

Southwest Stainless Steel Co., Ltd.
Chuanwei Group Co., Ltd.
Xichang Changan Industry and Power Co., Ltd. Electronic Company.
Panzhihua New Steel Vanadium & Titanium Co., Ltd.
Sichuan Desheng Group Iron & Steel Co., Ltd.
Dazhou Iron & Steel Co., Ltd.
Pangang Group Chengdu Iron & Steel Co.,Ltd.
Xichang Xin Steel Industry Co., Ltd.
Jiangyou Changcheng Special Steel Co., Ltd.

Chongqing Donghua Special Steel Co., Ltd.
Chongqing Steel Group Co., Ltd.

Maanshan Iron & Steel Co., Ltd.
Jinan Iron & Steel Co., Ltd.
Tongling Fuxin Iron & Steel Company Limited.
Wuhu Fuxin Steel Co., Ltd.
Wuhu Xinxing Ductile Iron Pipes Co., Ltd.
Anhui Changjiang Iron & Steel Co., Ltd.

Jiangyin Huarun Steel Manufacture Co., Ltd.
Wuxi Xicheng Special Steel Co., Ltd.
Zhongtian Iron & Steel Group Co., Ltd.
Jiangsu Shagang Group Co., Ltd.
Zhangjiagang Shagang Group Huasheng Puddling Co., Ltd. Liyang Xingang Steel Manufacture Co., Ltd. Renamed Liyang Jianxin Puddling Co., Ltd.
Jiangsu CP Xingcheng Special Steel Co., Ltd.
Wuxi Huarun Steel Manufacture Co., Ltd.
Changzhou Xingyu Iron & Steel Co., Ltd.
Wuxi Xuefeng Steel Co., Ltd.
Jiangsu Shagang group Huaigang Special Steel Co., Ltd.
Nanjing Iron & Steel Co., Ltd.
Zhangjiagang Yonggang Group Lianfeng Iron & Steel Co., Ltd.
Suzhou Jiafa Casting Industry Co., Ltd.
Jiangsu Jingjiang Changqiang Iron & Steel Co., Ltd.
Jiangyin Huaxi Stainless Steel Co., Ltd.
Changshu Longteng Special Steel Co., Ltd.
Lianyungang Xingxin Iron & Steel Co., Ltd.
Jiangyin Xingcheng Special Steel Co., Ltd.
Jiangsu Jinsong Special Steel Co., Ltd.
Zhenshi Group Eastern Special Steel Co., Ltd.
Nanjing Jinteng Iron & Steel Co., Ltd.

Zhejiang Qingshan Iron & Steel Co., Ltd.
Zhejiang Wenzhou Zhengyuan Iron & Steel Co., Ltd.
Hangzhou Iron & Steel Co., Ltd.
Ningbo Huaguang Iron & Steel Co., Ltd.
Ruitian Steel Co., Ltd.
Ningbo Iron & Steel Co., Ltd.
Hangzhou EAF Steelmaking Co., Ltd.
Ningbo Yinzhou Dongmeng Stainless Steel Products Co., Ltd.
Zhejiang East Tool & Die Co., Ltd.
Zhejiang Wenzhou Jugang Group.
Yongxing Special and Stainless Steel Co., Ltd.
Zhejiang Quzhou Yuanli Metal Products Co., Ltd.
Jiaxing Qichang Stainless Steel Co., Ltd.
Yuyao Xingda Stainless Steel Co., Ltd.

Henan Qingshan Jinhui Stainless Steel Co., Ltd.
Xinyang Iron & Steel Co., Ltd.
Anyang Iron & Steel Group Co., Ltd.
Sha Steel Group Anyang Yongxing Iron & Steel Co., Ltd.
Anyang Huacheng Iron & Steel Co., Ltd.
Nanyang Hanye Steel & Iron Co., Ltd.
Henan Jiyuan Steel (Group ) Co., Ltd.

Shanxi Longmen Iron & Steel (Group) Co., Ltd.

Shanxi Xinlin Iron & Steel Co., Ltd.
Shanxi Huanxinyuan Stainless Steel Co., Ltd.
Shanxi Zhongyu Iron & Steel Co., Ltd.
Shanxi Zhongyang Iron & Steel Co., Ltd.
Shanxi Taigang Stainless Steel Co., Ltd.
Huguan County Changping Steel Plant.
Shanxi Jianbang Special Steel Co., Ltd.
Changzhi Ruibao Iron & Steel Co., Ltd.
Jincheng Fusheng Iron & Steel Co., Ltd.
Shanxi Haixin Iron and Steel Group Co., Ltd.
Shanxi Changzhi Iron and Steel Group Corporation.
Shanxi Changping Iron and Steel Co. Ltd.
Shanxi Xinda Iron & Steel Co., Ltd.
Xiaoyi Chengcai Iron & Steel Co., Ltd.
Shanxi Antai Iron & Steel Co., Ltd.

Xinjiang Bayi Iron & Steel Co., Ltd.

Gansu Jiu Steel Group Hongxing Iron & Steel Co., Ltd.
Jiu Steel Group Yuzhong Iron & Steel Co., Ltd.

Inner Mongolia Baotou Steel Union Co., Ltd. Steelmaking Plant.
Chifeng Yuanlian Iron & Steel Co., Ltd.
Baotou Daan Iron & Steel Co., Ltd.

Shenyang Dongyang Steel Making Co., Ltd.
Minmetals Yingkou Medium Plate Co., Ltd.
New Fugang Co., Ltd.
Fushun Special Steel Co., Ltd.
Liaoning Yude Sponge Iron Co., Ltd.
An Steel Heavy Machinery Co., Ltd.
Dongbei Special Steel Group, Dalian Base.
Angang Steel Company Limited.
Northeastern University.
Shenyang Northeastern University Zhongwu Metallurgical Technology Engineering Co., Ltd.
Bengang Steel Plates Co., Ltd.
Lingyuan Iron & Steel Co., Ltd.
Benxi Beiying Steel ( Group ) Co., Ltd.

Tangshan Bainite Iron & Steel ( Group ) Huihang Special Steel Co., Ltd.
Shougang Corporation Equipment Department
Shijiazhuang Luquan Iron & Steel Co., Ltd.
Tangshan Zhongze Xingbang Industry Co., Ltd.
Handan Iron & Steel Group Co., Ltd.
Tangshan Changcheng Iron & Steel Group Yanshan Iron & Steel Co., Ltd.
Tangshan Jianlong Industry Co., Ltd.
Qinhuangdao Shouqin Metal Materials Co., Ltd.
Tangshan Heavy-and-medium Plate Co., Ltd.
Qianan City Rongxin Industrial and Trade Co., Ltd.
Tangshan Zhaoyu Special Steel Manufacture Co., Ltd.
Qian AN CITY RONGXIN COMMREIAL TRADE LIMITED LIABILITY COMPANY
Zishan Special Steel Co., Ltd.
Chengde Jianlong Iron & Steel Co., Ltd.
Tangshan Guofeng Iron & Steel Co., Ltd.
Handan Zongheng Iron & Steel Co., Ltd.
Xingtai Delong Group
Tangshan Ganglu Iron & Steel Co., Ltd.
Hebei Jinan Special Steel Renamed Hebei Yongyang Steel Co., Ltd.
Dongshan Metallurgical Industry Co., Ltd. of Wuan City
Tiantie Hot Rolling Plate Co., Ltd.
Hebei Wenfeng Iron & Steel Co., Ltd.
Tangshai Bohai Metallurgical Equipment Co., Ltd. (Hebei Jitai)
Wuyang Iron & Steel Co., Ltd.
Tangshan Songting Iron & Steel Co., Ltd.
Tangshan Ruifeng Iron & Steel Co., Ltd.
Hebei Shengbao Tube-making Co., Ltd. R8 m 4 Casters 4 Strands
Hebei Xinli Iron & Steel Co., Ltd.
Hebei Jingye Group Co., Ltd.
Tangshan Tianzhu Iron & Steel Co., Ltd.
Tangshan Baotai Iron & Steel Group Shoufeng Iron & Steel Co., Ltd.
Tangshan Ruifeng Jinyou Iron & Steel Co., Ltd.
Tangshan Hengan Steel Plant Renamed Tangshan Delong Iron & Steel Co., Ltd.
Qianxi Yuanda Wantong Ductile Iron Pipes Co., Ltd.
Qianan Liangang Xinda Iron & Steel Co., Ltd.
Tangshan Kuancheng Dacheng Casting Co., Ltd.
Hebei Wenan Steel Plant
Bazhou Hongsheng Steel Rolling Co., Ltd.
Qianan Zhayi Iron & Steel Group Co., Ltd.
Cangzhou Zhongtie Equipment Manufacturing Material Co., Ltd.
Hebei Xinjin Rolling Materials Co., Ltd.
Chongli Steel Making Co., Ltd.
Wuan Fukang Economic and Trade Co., Ltd. Renamed Wuan Mingfang Iron & Steel Co., Ltd.
Handan Zishan Special Steel Group Jianfa High Strength Standard Parts Material Co., Ltd.
Wuan Hongrong Steel Co., Ltd.
Jvlu Hengrui Mechanical Roller Co., Ltd.
Wuan Xinxing Ductile Iron Pipes Co., Ltd.
Xinji Aosen Steel Co., Ltd.
Hebei Qianjin Iron & Steel Group Co., Ltd. Renamed Hebei Bazhou Qianjin Iron & Steel Group Co., Ltd.
Hebei Xinhua Iron & Steel Co., Ltd.
Hebei Laibao Group Steelmaking Co., Ltd.
Shijiazhuang Iron and Steel Co., Ltd.
Hebei Jinxi Iron & Steel Group Co., Ltd.
Chengde Branch Company of Hebei Iron & Steel Group Co., Ltd.
Xiangyue Machinery Casting Co., ltd.
Wu'an Yongcheng Casting Industry Co., Ltd.
Tangshan Shoutang Baosheng Special Strip Steel Co., Ltd.
Laiyuan Aoyu Steel Co., Ltd.
Hebei Mingshun Metallurgical Industry Co., Ltd.
Hebei Handan Puyang Iron & Steel Co., Ltd.
Hebei Iron & Steel Co., Ltd. Tangshan Branch
Xingtai Iron & Steel Co., Ltd.
Tangshan Stainless Steel Co., Ltd.
Xuanhua Iron & Steel Group Co., Ltd.

Shandong Guangfu Group Co., Ltd.
Weihai Baolong Special Petroleum Materials Co., Ltd.
Rizhao Iron & Steel Co., Ltd.
Taishan Iron & Steel Group Co., Ltd.
Shandong Shouguang Juneng Iron & Steel Co., Ltd.
Shandong Fulun Steel Co., Ltd.
Qingdao Peimin Metal Materials Co., Ltd.
Shandong Molong R12-3-3 Square and Round Billet Conticaster (Shouguang Baolong )
Yantai Jincheng Precise Wire Co., Ltd.
Yanggu Wuyue Special & Drill Steel Co., Ltd.
Shandong Luli Steel Co., Ltd.
Shandong Zhangdian Iron and Steel Works
Linyi Jiangxin Steel Co., Ltd.
Heavy Casting and Forging Co., Ltd. Shandong New Era
Shandong Longsheng
Yinshan Sectional Steel Co.Ltd. of Laiwu Steel Group (Large)
Laiwu Iron and Steel Co., Ltd.
Laiwu Yinshan Sectional Steel Co.,Ltd
Zibo Hongda Iron & Steel Co., Ltd.
Weifang Iron & Steel Group Corporation
Zouping County Changfeng Metal Materials Co., Ltd.
Shandong Xiwang Special Steel Co., Ltd.
Shanghai Taigang Industrial Co., Ltd.
Shandong Jinan Iron & Steel Co., Ltd.
Shandong Yuye Development Co., Ltd.
Shandong Laigang Yongfeng Iron & Steel Co., Ltd.
Shandong Quanxin Stainless Steel Co., Ltd.

Feng Hsin Iron & Steel Company Ltd.
Taiwan Tung Ho Steel Enterprise Co., Ltd.

Shanghai Shuangli Tube Iron & Steel Co., Ltd.
Shanghai Meishan Iron & Steel Co., Ltd.
Baoshan Steel Co., Ltd. Nantong New Day
Shanghai Bao Steel Group Corporation

Tianjin Juda Steel Co., Ltd.
Tianjin Rongcheng United Iron & Steel Group Co., Ltd.
Jiangtian Heavy Industry Co., Ltd.
Tianjin Seamless Special Steel Tube Co., Ltd.
Tianjin Tianfeng Steel Co., Ltd.
Tianjin Iron Plant
Tianjin Qiankun Special Steel Co., Ltd.
Tianjin Tiangang United Iron & Steel Co., Ltd. ( Tianjin Dayi)
Tianjin Pipe (Group) Corporation
Tianjin Iron & Steel Co., Ltd.

Columbia Steel Corporation

Long Product Project for CSN－UPV Steel Plant Brazil

TOSYALI

GLENHAWK LLP

ATG Steel Corporation

Iran Arfa Iron & Steel Company, New built ARDAKAN EAF Slab Continuous Casting Company
Iran Steel Company

Indian Lloyds Steel Industries Limited.
Adhunik Metaliks Ltd.
Aarti Steels Limited.
JSPL Steel Plant.
Soni Ispat Ltd.
ISMT Steel Plant.
Technomagl corporation.
Indian Electric Steel Comprehensive Co., Ltd.
Indian JEWELS SEAMLSS STEEL.
AARTI STEEL PLANT ORISSIA.

G STEEL PUBLIC COMPANY LIMITED

North Korea Swift Horse Steel Industry

Malaysian Amsteel mills