Zài guójì shìchǎng shàng, zhōngwài qǐyè zhǎnkāi le jīliè de jìngzhēng.
In the international market, Chinese and foreign companies compete fiercely.
Tips
usage
中外 is a common formal modifier: 中外记者 (Chinese and foreign journalists), 中外合资 (Sino-foreign joint venture), 古今中外 (gǔjīn zhōngwài, throughout all times and places - a very common four-character phrase).