Generate a more complex version of this sentence The係由日本東日本鐵路公司 (JR East) 自2000年開始運行嘅電動多重單元類型, 用於通勤和郊外服務.
當然,呢個句子嘅複雜版本係 "The is an EMU type used for commuter and outer-suburban services operated by East Japan Railway Company (JR East) in Japan, and manufactured by Tokyu Car Corporation, Kawasaki Heavy Industries and also at JR East's factory at Niitsu in Niigata Prefecture".