ZAGREB -- China secured its second gold medal in the world table tennis championships on Friday as Chen Qi/Ma Lin and Wang Hao/Wang Liqin set up an all-Chinese men's doubles final.

Chen Qi/Ma Lin downed Hong Kong duo Ko Lai Chak/Li Ching 7-11, 12-10, 11-6, 11-5, 11-7, while Wang Hao/Wang Liqin nipped Chinese Taipei duo Chang Yen-Shu/Chiang Peng-Lung 7-11, 12-10, 11-6, 11-5, 11-7.

Earlier Ma Lin/Wang Nan and Wang Liqin/Guo Yue reached the mixed doubles final.