2. The undergraduate course should be a full-time undergraduate course in ordinary colleges and universities; Need a formal labor contract for three years, can not be issued; What the company needs is a company registered in Tianjin, which has paid social security for you.
3. There are many materials: education certificate, tax payment certificate, social security certificate, copy of business license (institutions also need organization code certificate), contract, existing household registration certificate, roster, income flow, etc. The detailed household registration police will tell you.
4. If you handle it yourself, it will take time and effort, and be patient. It took me 1 month to prepare the materials. A complete step-by-step audit takes 3-6 months to pass.