YOU SAID:

I am going to China. Will you come with me?

INTO JAPANESE

私は中国に行く。いっしょに来てください？

BACK INTO ENGLISH

I am going to China. Please come with us?

INTO JAPANESE

私は中国に行く。私たちと一緒に来てください？

BACK INTO ENGLISH

I am going to China. Please come with us?