The training and assessment methods in different provinces are similar, generally: senior winemaker (one of the following conditions)
(1) After obtaining the professional qualification certificate of the professional technician, he has been engaged in the professional work for more than 3 years continuously, and has been trained by the professional senior technician to reach the required standard hours, and has obtained the certificate of completion.
(two) after obtaining the professional qualification certificate of the professional technician, he has been engaged in the professional work for more than 5 years.
You can consult the liquor association in your province, and they will make it clear to you. As long as you work in the alcohol industry, the association will be very supportive and will help you with your work.