Is it married or unmarried to immigrate to Korea after divorce?

Unmarried, divorce means breaking off the engagement. At present, your marital status is unmarried or divorced. On the question of whether to get married, you only ask whether you are married or not. Are you sure whether you are married or not? You can legally remarry after divorce.

You can't divorce without dissolving the marriage. During the marriage, neither party may remarry.

If his nationality is still China nationality, he will return to China or go to the embassy in China. Because he is not divorced, he can't remarry. If he goes through the marriage formalities again, it is bigamy, which is illegal. Your question is vague. Is there a divorce procedure?

Then don't get divorced.

Still married, regardless of nationality, as long as there is no divorce procedure, they are all married.