| 1. | It mainly engages in exploring and developing , production and trading of crude and natural gas ; processing of crude oil into refined products , trading , transporting , distributing and marketing of refined products ; producing , distributing and trading of petrochemical products ; importing / exporting refined & petrochemical products , as well as jv co - operations
主要业务包括石油和天然气的勘探、开发、生产和贸易；石油的加工、石油产品的生产、贸易及运输、分销和营销；石化产品的生产、分销和贸易。 |
