On July 28, 2020, Malaysia's Ministry of International Trade and Industry (MITI) initiated an anti-dumping investigation against some polyethylene Terephthalate products (known as PET, PETE or PETP or PET-P) made in Vietnam, China, Indonesia, Japan, Korea and the United States.

On July 20, 2020, the US Department of Commerce (DOC) announced the initiation of an anti-dumping investigation on copper pipe products originating from Vietnam.

On June 30, 2020, the Australian Anti-Dumping Commission (ADC) announced the initiation of an anti-dumping investigation on galvanized aluminum steel products with a width of 600mm or more imported from Vietnam, Korea, Taiwan; and anti-subsidy investigation with products imported from Vietnam.

On June 30, 2020, the Australian Anti-Dumping Commission (ADC) announced the initiation of an anti-dumping and anti-subsidy investigation on aluminum galvanized steel with a width of less than 600mm (Aluminum zinc coated steel of a width less than 600 millimeters) imported from Vietnam and China.

On June 29, 2020, the Ministry of Industry and Commerce issued Decision No. 1715/QD-BCT on the anti-dumping investigation of HFCS originating from China and South Korea.