With less than 24 hours ahead of new U.S. government port fees on Chinese-made freight vessels , importers are grappling with additional tariffs that include other Chinese-made machinery key to the supply chain. On Friday, the U.S. Trade Representative announced modifications following a review of public comments on the prior rule, which include an additional 150% tariffs on rubber tire gantry cranes, rail-mounted gantry cranes, automatic stacking cranes, reachstackers, straddle carriers,