- Wuxi Qianqiao Steel Strip Co., Ltd.
- Address:No.8 Huicheng Avenue, Xizhang Village, Qianqiao Town, Huishan District Wuxi, Jiangsu
- Hebei Huayang Steel Pipe Ltd.,Company
- Address:Mengcun County Cangzhou, Hebei
- Threeway Steel Company
- Address:22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha Changsha, Huna
- Tianjin Friend Import and Export Co.,Ltd
- Address:Cuizhuangzi industrial area,Daqiuzhuang town,Jinghai disctrict,Tianjin China Tianjin, Tianji
- Shijiazhuang Baolian Pipeline Co Ltd
- Address:xinhuaqu Shijiazhuang, Hebei
- Gold Mysterious Pipe CO.,Ltd
- Address:Pangkou Auto Agricultural Machinery Parts Industry Park Baoding, Hebei
- Tianjin Universal Trust Import and Export INC
- Address:fuguiyuan village，shengfang town，tianjin east Tianjin, Tianji
- Hebei Li Shengan Metal Corp.Ltd
- Address:Economic and Technical development zone,Cangzhou city,China Cangzhou, Hebei
- Shinestar Steel Pipe Corporatio
- Address:22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road,Changsha, Hunan, Changsha, Huna
- Wuxi Shengyi Industry Co., Ltd
- Address:No.108.Chunlei East Road Industries Park Ningbo, Zhejiang
- Sinopival Industrial Ltd
- Address:No.31,Huli Avenue,Huli District,Xiamen,China Xiamen, Fujia
- Tianjin Juxingweiye Steel Trade Co.,Ltd
- Address:huangjie Tianjin, 天津
- Fengrun Steel Corporation Limited
- Address:NO.456, GUOYUANBEIDAO, BEICHEN DISTRICT Tianjin, Tianji
- SHANGDONG SERVE PETROLEUM
- Address:jininglu 37 Dongying, Shandong
- Hengshui Hong Xiang Engineering Materials Co., Ltd.
- Address:Taocheng District,Hengshui City,Hebei Province Hengshui, Hebei
- TianJin Lianrong Steel Pipe International Trade Co,Ltd
- Address:No.11,Hengtai Road Daqiuzhuang Industrial Zone Jinghai,Tianjin,China Tianjin, Tianji
- Shanghai JW Steel Limited
- Address:No.396, Lane 1555, West Jin Shajiang Road, 201803, Shanghai, China Shanghai, Shanghai
- Haihao High Pressure Flanges & Pipe Fitting Group Co.,Ltd
- Address:Fulin Zone Xinda Road Cangzhou, Hebei
- Litonglian Internatioan Grou
- Address:industrial zoon Cangzhou, Hebei
- Tangshan Wangtai International Trade Co.,Ltd
- Address:12B03 Huijin zhongxin, Youyi road, Tangshan, China. Tangshan, Hebei