Liste des producteurs ayant coopéré visés à l’article 1er, paragraphe 2, sous le code additionnel TARIC A950
| Dénomination sociale | Ville
| Handan Precise Seamless Steel Pipes Co., Ltd | Handan
| Hengyang Valin MPM Co., Ltd | Hengyang
| Hengyang Valin Steel Tube Co., Ltd | Hengyang
| Hubei Xinyegang Steel Co., Ltd | Huangshi
| Jiangsu Huacheng Industry Group Co., Ltd | Zhangjiagang
| Jiangyin City Seamless Steel Tube Factory | Jiangyin
| Jiangyin Metal Tube Making Factory | Jiangyin
| Pangang Group Chengdu Iron & Steel Co., Ltd | Chengdu
| Shenyang Xinda Co., Ltd | Shenyang
| Suzhou Seamless Steel Tube Works | Suzhou
| Tianjin Pipe (Group) Corporation (TPCO) | Tianjin
| Wuxi Dexin Steel Tube Co., Ltd | Wuxi
| Wuxi Dongwu Pipe Industry Co., Ltd | Wuxi
| Wuxi Seamless Oil Pipe Co., Ltd | Wuxi
| Zhangjiagang City Yiyang Pipe Producing Co., Ltd | Zhangjiagang
| Zhangjiagang Yichen Steel Tube Co., Ltd | Zhangjiagang