Dec. 16 (Bloomberg) -- PetroChina Co. plans to put 11 out of 12 units at its Ningxia refinery into operations by the end of this year, parent company China National Petroleum Corp. said in its online newsletter.

The 5 million metric-ton-a-year refinery has brought online its catalytic cracking and catalytic reforming units, the report said. The plant will be able to supply 1.67 million tons of gasoline and 2.29 million tons of diesel a year when all the units are started, it said.

To contact the reporter on this story: Jing Yang in Shanghai at jyang251@bloomberg.net

To contact the editor responsible for this story: Christian Schmollinger at christian.s@bloomberg.net