Milk mishaps

July 2008 - Sixteen infants in Gansu province who drank milk made from milk powder produced by Shijiazhuang-based Sanlu Group were diagnosed with kidney stones.

December 2008 - The Health Ministry reported an estimated 300,000 babies suffered health problems from the tainted milk, including six infants who died from kidney stones and other kidney damage.

December 2008 - Shijiazhuang court accepted a bankruptcy petition filed by Sanlu, which has a debt of 1.1 billion yuan ($161 million).