According to the Ministry of Commerce, on May 9, 2014, the Ministry of Commerce decided to impose an anti-dumping duty on the imported alloy steel seamless pipes for high temperature pressure bearing originating from the United States and the European Union, with an implementation period of 5 years from May 10, 2014. On May 9, 2019, the Ministry of Commerce issued announcement No. 20 of 2019 on the application of domestic high-temperature pressure bearing alloy steel seamless pipes industry, and decided to conduct a final review and investigation on the anti-dumping measures applicable to the import of relevant high-temperature pressure bearing alloy steel seamless pipes originated from the United States and the European Union from May 10, 2019.

According to Article 48 of the antidumping regulations of the people's Republic of China (hereinafter referred to as the antidumping regulations), the Ministry of Commerce ruled that if the antidumping measures were terminated, the dumping of the imported alloy steel seamless pipes for high temperature pressure bearing originating from the United States and the European Union to China might continue or recur, and the damage to the domestic alloy steel seamless pipes industry for high temperature pressure bearing might continue Continue or reoccur.

According to Article 50 of the antidumping regulations, the Ministry of Commerce proposes to the Tariff Commission of the State Council to continue to implement the antidumping measures based on the investigation results. The Tariff Commission of the State Council makes a decision based on the proposal of the Ministry of Commerce. Since May 10, 2020, it will continue to impose antidumping duties on the imported high temperature and pressure bearing alloy steel seamless pipes originating from the United States and the European Union Tax, implementation period is 5 years.