1. Business license: go to the local industrial and commercial office. Now, the three certificates of business license, organization code certificate and tax registration certificate have been merged into one.
2. Production license: to the Quality Supervision Bureau for the production license, only with a production license can engage in optometry business.
3. Medical device license: to the Drug Administration for medical device license, which is a necessary document for eye training business.
Please note that the above information may vary by region. You can consult the local authorities for specific license application details.