North Korean leader Kim Jong Il apologized to Chinese envoy Tang Jiaxuan for the difficult position it had placed Beijing with its first nuclear test.
Japan's Mima Ito took the bronze medal after beating Han Ying of Germany in straight games.
'No matter how severe sanctions the UN security council imposes on North Korea, the impact of the sanctions would depend on how faithfully they are enforced by China,' says Dr Rajaram Panda.