YOU SAID:

I went to Japan for rice and went to China for noodles

INTO JAPANESE

私は日本に行って米を食べ、中国に行って麺を食べました

BACK INTO ENGLISH

I went to Japan, ate rice, went to China and ate noodles

INTO JAPANESE

私は日本に行って、お米を食べ、中国に行って麺を食べた

BACK INTO ENGLISH

I went to Japan, ate rice, went to China and ate noodles