The US Postal Service says it has suspended the acceptance of incoming international parcels from China and Hong Kong until further notice, threatening the business models of e-commerce giants Shein and Temu.

The U.S. Postal Service said it will resume accepting all inbound mail and packages from China and Hong Kong on Wednesday, a day after temporarily suspending such service.

The U.S. Postal Service said it was temporarily suspending inbound parcels from China and Hong Kong, effective Tuesday.