On May 17, 2018, the US International Trade Commission (USITC) made an affirmative final ruling on the anti-dumping industry damage against Cold-Drawn Mechanical Tubing of China, Germany, India, Italy, South Korea, and Switzerland, ruling China, The products involved in Germany, India, Italy, South Korea and Switzerland have caused substantial damage to the domestic industry in the United States. According to the affirmative decision of the United States International Trade Commission, the US Department of Commerce will issue anti-dumping tax orders on products imported from the above countries. At the same time, the US ITC has negatively ruled on whether there are a large number of export-related products in China, Italy, and South Korea involved in the case of evading emergency situations that may result in a positive verdict, and will therefore not retroactively impose anti-dumping duties on products involving China, Italy, and South Korea. .

        On April 19, 2017, American companies Arcelor Mittal Tubular Products, Michigan Seamless Tube, LLC, PTC Alliance Corp., Zekelman Industries, Inc., and Webco Industries Inc. applied for US Department of Commerce and US International Trade Commission on behalf of U.S. domestic industry Requires the initiation of anti-dumping and countervailing investigations on carbon steel and alloy steel cold drawn mechanical pipes imported from China, Germany, India, Italy, South Korea, and Switzerland. On May 10, 2017, the U.S. Department of Commerce issued an announcement to conduct anti-dumping investigations on cold-drawing mechanical pipes imported from China, Germany, India, Italy, South Korea, and Switzerland. At the same time, it initiated countervailing subsidies for imported products from China and India. Case investigation. On June 2, 2017, the US International Trade Commission issued an announcement to make a definitive preliminary ruling on anti-dumping industrial damage to cold-drawn mechanical pipes imported from China, Germany, India, Italy, South Korea, and Switzerland. On November 16, 2017, the U.S. Department of Commerce issued an announcement stating that anti-dumping affirmative preliminary decisions were made on cold drawn mechanical pipes imported from China, Germany, India, Italy, South Korea, and Switzerland. On April 10, 2018, the US Department of Commerce issued an announcement to make an anti-dumping affirmative final ruling on cold-drawing machinery imported from China, Germany, India, Italy, South Korea, and Switzerland.