Why Is The U.S. Govt. Subsidizing Shipping From China?

EDIT: I've been informed that the source of the problem is the Universal Postal Union. There is a very informative podcast about it here: https://www.npr.org/sections/money/2018/08/01/634737852/episode-857-the-postal-illuminati

Small businesses are the backbone of the U.S. economy (https://www.inc.com/jared-hecht/are-small-businesses-really-the-backbone-of-the-economy.html) The president should make shipping cost for small businesses in America the same as they are for small businesses in China. He has the power to do this. ... https://www.youtube.com/watch?v=UALwew7I77E