Li Cong won the first place in mathematics, so it can't be the first place in Chinese, but the second place in Chinese, so Li can only be the third place in Chinese. The first place in other languages is Jason;

Shine Wong won the second place in Chinese, so he was not the second place in mathematics, nor the first place in mathematics, but the third place in mathematics; The remaining second place in mathematics is Jason;

Shine Wong is second in Chinese and third in mathematics, so foreign languages are first.

Li Cong is the first in mathematics and the third in Chinese, so foreign languages are the second;

Jason is Chinese first, mathematics second, so foreign languages third;

To sum up, we can see that:

China first: Jason, second: Shine Wong, third: Li Cong;

Mathematics first place: Li Cong, second place: Jason, third place: Shine Wong;

First place in foreign languages: Shine Wong, second place: Li Cong, third place: Jason.