- He Bei Cangshi Petroleum Fuel Gas Pipeline Co;Ltd
- Address:500 Meters East of Cangzhou North Exit Beijing-Shanghai Expressway, Cangzhou Hebei 061000 China
- Jinan Xinjiuan Special Section CO.,LTD
- Address:Daweizhuang,North of second west ring road,Dawei industrial park Jinan Shandong 250032 China
- Tianjin Lode Import &Export Co.,Ltd
- Address:2-2-1201 Madison Square ,NO.13 Guiyuan Road Huayuan Industrial District, Nankai District, Tianjin, C Tianjin Tianjin China
- Hebei Jushun Steel Pipe CO.,LTD
- Address:YUNHE ZONE Cangzhou Hebei 061001 China
- Zibo Huabo Industry & Trade Co.,Ltd
- Address:Zhoucun Economic Development Zone,Zibo City,Shandong Province,P.R.China Zibo Shandong 255300 China
- Cangzhou Licheng Pipeline Co.,Ltd
- Address:50 WEIM ING ROAD XINHUA DISTRICT Cangzhou Hebei China
- Changsha Xiangjia Metal Material Co.,Ltd
- Address:Room 1605-1609,Mingcheng International Building,No.46 Renmin East road Changsha Hunan 410016 China
- TianJin Yusheng Galvanized Steel Pipe Co., Ltd.
- Address:Xinxing Industrial Zone, Daqiuzhuang Town, Jinghai County, TianJin City, China Tianjin Tianjin 301606 China
- Xiamen FuLiJia Trading CO.Ltd.
- Address:No.9 GuangHua Road,XingLin,JiMei District,Xiamen,FuJian,CHINA. Xiamen Fujian 361022 China
- Shengyuan Internation Industry Limited
- Address:XINKOU INDUSTRIAL PARK WEST QING DISTRICT TIANJIN CHINA Tianjin Tianjin 300000 China
- Steelpipe of China Guangdong International Sub-branch
- Address:Lecong steel market,foshan,guangdong Foshan Guangdong 528315 China
- Hebei Shengtian Group Seamless Steel Pipe Co.,Ltd.
- Address:CANG YAN ROAD,XINDIAN Cangzhou Hebei 061400 China
- Qingdao Wefsun Group
- Address:No.6 of Taiyuan Rd Qingdao Shandong 266000 China
- Yantai Tibright Welding Materials Co.,LTD.
- Address:No.188 xingfu road yantai Yantai Shandong China
- Tianjin Tengfei Pipe Co., Ltd.
- Address:No.5 Tengfei Road, Junliangcheng Industrial Park, Dongli District Tianjin Tianjin 300301 China
- Hebei Xinlian Petroleum Pipe Co.,Ltd
- Address:Xiwang New District of Mengcun County Cangzhou Hebei 061400 China
- Zhamgjiakou Xiandai Petroleum Drill Tools Co.Ltd
- Address:No.1 North Changyuan Road Xuanhua Development Zone Zhangjiakou Zhangjiakou Hebei 075100 China
- Shandong Province Liaocheg City Zhongxing Steel Pipe.Co.Ltd
- Address:No.15, Liaohe Road, Liaocheng City, Shandong Province, China Liaocheng Shandong China
- Threeway Steel (Shinestar Group) Co.,Ltd.
- Address:22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road Changsha Hunan 410004 China
- Hai Qian Wei Steel Pipe Co.,Ltd.
- Address:Zhenggang road industudy development zone ,cangzhou city ,hebei province Cangzhou Hebei 061300 China