On June 16, Chongqing signed investment agreements worth 4 billion yuan with five companies from China, US and Singapore to develop four key shale gas projects.
Like his great-grandfather's cousin Yung Wing - the first Chinese student to graduate from an American university, Yale College, in 1854 - Antonio Yung felt obligated to give something back to China.
John Edwards, the UK trade commissioner for China, praised Chongqing over its rise as a burgeoning center in intelligent manufacturing.