Duō guó zhùhuá shǐguǎn fābiǎo le liánhé shēngmíng.
The embassies of several countries in China issued a joint statement.
Tips
usage
驻华 is a fixed modifier - you attach it to titles like 大使 (ambassador), 使馆 (embassy), 记者 (correspondent), 代表 (representative). The mirror term for Chinese people or entities stationed abroad is 驻外.