noun which may take the genitive case particle 'no', noun
Chinese (lineage, ancestry, ethnicity); Sino-
Used to describe people, groups, or things of Chinese descent or origin. Often appears in phrases like 中国系アメリカ人 (Chinese American).
彼は中国系の移民の子孫だ。
He is a descendant of Chinese immigrants.
この地域には中国系のコミュニティ
There is a large Chinese community in this area.
中華系 is a broader term for ethnic Chinese or Chinese cultural sphere, sometimes used interchangeably with 中国系 but can include overseas Chinese communities more generally.
Compound of 中国 (China) + 系 (lineage, system). The suffix 系 is productively used to indicate affiliation or origin.