11 Apr 2020 . Factory workers producing face masks for export in Lianyungang, . China exported 3.86 billion masks, 2.8 million coronavirus test kits, 2.4 .
Many believe that the wearing of surgical face masks is the best protection against the virus, . US: ASTM2100 American Society for Testing and Materials Standard . As local media in both Hong Kong and Mainland China continue to report .
6 days ago . Smart Air launched as an air purifier provider and tested masks for the notorious . a makeshift lab in Beijing to test the 2020's hottest commodity: face masks . But at the same time, scepticism over the quality of Chinese supplies has surged, . But the firm's preliminary results of tests on KN95 respirators, .
30 Mar 2020 . Thousands of testing kits and medical masks are below standard or . the Dutch health ministry announced it had recalled 600,000 face masks.
29 Mar 2020 . . government says; It comes after Spain asked for Covid-19 rapid test kits imported from China to be replaced because they were unreliable.
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