中国石油 (中國石油) zhōngguó shíyóu

zhōngguó shíyóu proper noun China National Petroleum Corporation (CNPC) / PetroChina
Domain: Commerce 商务 , Subdomain: China , Concept: Company 公司
Notes: CNPC is the parent company of PetroChina (Wikipedia '中国石油')

Also contained in

中国石油化工股份有限公司中国石油天然气集团公司中国石油和化学工业协会

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