By David Kirton FOSHAN, China (Reuters) -In China's "Furniture Kingdom" of Lecong, home to a strip of cavernous malls, vendors shrugged off the latest round of tariffs from Washington, saying they've long given up on the U.S. market. As part of his latest tariff onslaught, U.S. President Donald Trump on Thursday announced a 50% levy on imported kitchen cabinets and bathroom vanities, as well as a 30% tariff on upholstered furniture, to take effect on October 1. But in one of dozens of malls along the st ...