In terms of trade relations: (1) On February 12, the U.S. Department of Commerce issued an announcement that it initiated anti-dumping investigations on imports of large-diameter welded pipe products from South Korea, Turkey, Greece, India, Canada, and China, as well as Korea, Turkey, and India. China's Product Launches Countervailing Investigations (2) On February 14, the US Department of Commerce issued a preliminary ruling levying a 109.95% anti-dumping tariff on imported China's cast iron pipe fittings. The US Department of Commerce will announce the final ruling of the anti-dumping investigation of the cast iron sewer pipe fittings on or about June 28 this year. In this regard, Chinese Foreign Ministry spokesman Luan Shuang said that the essence of Sino-U.S. economic and trade relations is mutual benefit and win-win. We must treat this with a rational and objective attitude. We must properly handle the issue through dialogue and negotiation in a spirit of mutual respect, equality, and mutual benefit. Management and control, and properly handle bilateral economic and trade issues; (3) On February 16, the U.S. Department of Commerce released a national security survey (232 survey) report on imports of steel and aluminum products in the United States, which considered that imported steel and aluminum products seriously damaged the United States. Industry threatens American home security. Wang Hejun, director of the Trade Relief and Investigation Bureau of the Ministry of Commerce of the People's Republic of China, stated that the investigation conclusion of the United States "has no basis and is completely inconsistent with the facts." Wang Hejun pointed out that China urges the United States to exercise restraint and use trade protection tools and observe multilateral trade rules. If the US’s final decision affects China’s interests, the Chinese side will certainly take necessary measures to safeguard its legitimate rights.