In terms of financial resources, I know you have to go to the police to get the provincial certificate and the household registration to issue the certificate of immediate family members, and then provide your parents' credit records and bank contact information.

Do not go abroad for the first time. Communication is a problem. English is not good at all.

Although I don't know why you went to Denmark, this place is generally a Nordic tour. It should not be easy to sign if you go by yourself. Those places like Japan, the United States and South America that have no experience in leaving the country have generally said that there are few economic exchanges between Denmark and China, so you should leave China alone.