1, first of all, you must have professional knowledge and skills in related fields, including understanding of PLC control system, programming experience and application practice.
2. Secondly, have working experience in education, training or related fields and good teaching ability.
3. Finally, if you want to provide official certification or certificate, you need to obtain the authorization of the corresponding institution or manufacturer and meet its requirements. For example, you can get the certification of domestic and foreign PLC brand manufacturers and then authorize the corresponding PLC product professional and technical personnel to train.