- Zhangjiagang Shengdingyuan Pipe-making Co,Itd
- Address:Building B,Gaoqiao Industry Park,Chengdong Road,Houcheng Jingang Town,Zhangjiagang City. Suzhou Jiangsu 215631 China
- Liaocheng Tian Rui Steel Tube Co.,Ltd
- Address:LIAO CHENG CITY SHAN DONG PROVINCE IN CHINA Liaocheng Shandong 252300 China
- Handan Huahai Chemical
- Address:Daming Industry Park, Daming County Handan Hebei China
- Changzhou Xinfei Science and Technology Co.,Ltd.
- Address:A-111, dingan eatern road, hutang town, wujin Changzhou Jiangsu 213000 China
- Shijiazhuang Electrical & Mechanical Equipment Co.;Ltd
- Address:Xiushui Mansion 1108,No.363 North Zhonghua Street. Xinhua Dist Shijiazhuang Hebei 050000 China
- Armco Metals
- Address:17F,JINGCHENG, INTERNATIAL PLAZE, ZHENGZHOU CHINA Zhengzhou Henan 450008 China
- Oujing Group
- Address:7F , TONGGIYIXIAN BUILDING , NO 25,YIXIAN ROAD Shanghai Shanghai China
- North Industrial
- Address:Xinshi road Shijiazhuang Hebei China
- Tangshan Shenda Steel Co.,Ltd
- Address:west of Dakan Hamlet,xiaozhangge village,fengrun district. Tangshan Hebei 063000 China
- Anssen Metallurgy Group CO.LTD.
- Address:HONGQIAO STREET NO.37 Dalian Liaoning 116021 China
- Xuboyuan Iron&Steel Trading Co.Ltd.
- Address:Room 408, No.26 zhongxinbeidao, zhongshanmen, Hedong district, Tianjin,China Tianjin Tianjin China
- Jining Carbon Industry General Co.Ltd
- Address:No.5 Jianshe Road Jining ,Shandong ,China Jining Shandong 272100 China
- Foshan Wiharvest Materials Co.,Ltd.
- Address:FG1-05,No. 13-1, Lecong Xihai Industrial Area, Shunde District, Foshan City. Foshan Guangdong China
- Linzhang Ruiyuan Carbon Co.,Ltd
- Address:Xiaopingying Village Linzhang Town, Linzhang County Handan Hebei 056600 China
- Tianjin Yunhai Carbon Element Products Co.,Ltd
- Address:Tanghan Road,Chaidan Town, Hangu District, Tianjin,China Tianjin Tianjin 300480 China
- Hebei Zhongdeli Seamless Seel Pipe Manufacturing Co.,Ltd
- Address:NO.9 Beihai Road Cangzhou,Hebei Cangzhou Hebei 061000 China
- Cangzhou Qianhai Pipeline Equipment Co., LTD
- Address:Unicom building Cangzhou Hebei China
- Liaoyang Carbon Co.,Ltd
- Address:No.688 Liuan Road Liuerpu Economic Development Zone Liaoyang City Liaoning China Liaoyang Liaoning 111212 China
- Yueyang
- Address:xinman rd,industrial area,mengcun county Cangzhou Hebei 061400 China
- Smmcgroup Co.,Ltd
- Address:The ninth zhongshan tower 1204 east Dalian Liaoning 116001 China