Tā zài yì jiā Zhōng-Měi hézī gōngsī dāng gōngchéngshī.
He's an engineer at a Sino-US joint venture.
Tips
usage
Each country is cut to one character, 中 for 中国 and 美 for 美国, and the pinyin joins them with a hyphen. Same pattern: 中韩, 中澳. Central America is 中美洲, with 洲 'continent'.
culture
Mainland media put China first, 中美. Chinese-language media in Taiwan and the US often write 美中.
