A version of this article appeared in the print edition of The Straits Times on February 28, 2020, with the headline 'Mask suppliers look elsewhere amid high demand, China export ban'. Print Edition | Subscribe
We have been experiencing some problems with subscriber log-ins and apologise for the inconvenience caused. Until we resolve the issues, subscribers need not log in to access ST Digital articles. But a log-in is still required for our PDFs.