Maoist China sent us most of the counterfeit masks and test kits Maoist China accounted for about 51 percent of counterfeit or substandard COVID-19-related products seized by U.S. customs officials from October 2019 to Sept. 30 last year. This is according to a newly-released report from the U.S. Customs and Border Protection (CBP). Among the products seized by U.S. customs officials were over 12.7 million counterfeit masks, 177,356 COVID-19 test kits prohibited by the U.S. Food and Drug Administration (FDA), and 38,098 FDA-prohibited chloroquine tablets. The FDA currently has a database listing fraudulent COVID-19 products, including test kits. The list contains company names and the names of their products.