Unipec Buying Tons of Naphtha

China International United Petroleum & Chemical Co, or Unipec, has bought 35,000 metric tons of naphtha - a flammable liquid distilled from petroleum, coal tar or natural gas. The naphtha is to come from Mangalore Refinery & Petrochemicals Ltd, a unit of the biggest explorer in India, said two traders who declined to be identified because they aren't authorized to speak with the media.