In response to the EU's anti-dumping investigation on China's "stainless steel butt welded pipe parts", six related enterprises, Suzhou Yuli pipe industry, Zhejiang Yuli pipe industry, Wenzhou Yuli head, Zhejiang Zhide pipe industry, Jiangsu Zhide pipe industry and Shanghai Jiesheng pipe industry, formed an enterprise group to actively respond to the lawsuit and applied for a special hearing. The hearing was held in Brussels, the EU headquarters, on June 12, 2013. Mr. Zhang Tiesuo and our EU lawyers jointly participated in the defense of the enterprise group.

According to the European Union, the hearing has achieved good results.