Ha...just wait till 10/17/19 when the US exits the Postal Union...Trump gave notice to the PU last year of intention to quit
Cuts off the Chicoms from subsidized postage to the US.
“when the US exits the Postal Union”
That is going to mostly hit small businesses in China, who market through Amazon and Alibaba and some mid-sized businesses who provide relatively modest-sized shipments of components and materials.
It will be a hit on Chinese producers and distributors, but not as significant overall as the tariffs.