The evaluation of professional titles follows the state's management of professional and technical personnel, except for the professional title computer and professional title English (not national) issued by PetroChina. The others are the same as those in China.
If you are a doctor, you should be able to be rated as an associate high school (senior engineer) after working for one year. Each second-level unit has indicators and is admitted according to scores. Thesis is a plus, which is very helpful.
As for the evaluation process, the staff of your company will inform you when to submit the materials, when to take the exam and when to reply to the staff according to the arrangement of the group company.