Panama's main imports are: mineral fuels, oils, distillation products (17 percent of total imports), machinery, nuclear reactors, boilers (9 percent) vehicles other than railway, tramway (7 percent) and electronics (7 percent). Panama's main import partners are: the United States (33 percent of total imports), China (15 percent), Mexico (6 percent), Costa Rica (5 percent). Others include: Colombia, Spain, Guatemala, Japan and Brazil.