From left: US Secretary of Commerce Penny Pritzker; Chinese Vice Premier Wang Yang; and US Trade Representative Michael Froman pose for a photo on Thursday morning before the opening of a plenary session of the 25th China-US Joint Commission on Commerce and Trade (JCCT) held Dec 16-18 in Chicago. This year's JCCT session has for the first time included a full-day private sector engagement with government officials from both sides. Chen Weihua / China Daily