Construction materials sit in front of the loading docks at the Fuyao Glass America production facility in Moraine, Ohio, U.S., on Friday, Aug. 19, 2016. Ty Wright | Bloomberg | Getty Images MEADVILLE, Pa — President Donald Trump is in China, courting new trade deals with Beijing. One glassmaker in the U.S. is warning that their top Chinese competitor exemplifies the risks of letting China in. CNBC last week visited a Vitro glass plant in Meadville, Ohio, with Rep. Ro Khanna, D-Calif., who is the top Democrat on the U.S.-China select committee in Congress. The plant is helping produce glass for solar panels, and has long produced automotive glass. CNBC travelled with Khanna throughout the Rust Belt as part of his “Heartland Tour,” a multi-state swing through the country’s industrial heart to highlight the growth of U.S. manufacturing and the risks from China, the U.S.’s chief competitor. During Khanna’s visit, executives from Vitro aimed their fire at chief rival, Fuyao, and warned that without protection, all competitors in the glass industry would be pushed out. …