For example, fitters, electricians and driver technicians, class I workers are called senior technicians, and class II workers are called technicians. Professional appraisal of former labor bureau.

Teachers have professional titles, intermediate teachers and senior teachers. Similar to engineers and senior engineers. Audited by the former personnel bureau.

The difference is that skilled workers are assessed by the labor bureau and belong to blue-collar workers, while their professional titles are assessed by the personnel bureau and belong to white-collar workers.

It's all under the control of the human resources and social security bureau now.