My understanding is that you would like to use license bought in one country to be used in other country. You might need permission from MathWorks to use a license in a different Geo/region as it varies from commercial license (for your own use) vs working for a company.
However, I would suggest the best way to get more information on the same would be to contact customer service to discuss what needs to be done -- https://www.mathworks.com/support/contact_us.html
You can also check here for additional reference: https://www.mathworks.com/matlabcentral/answers/548895-migration-license-from-europe-to-china?s_tid=answers_rc1-3_p3_Topic
