The formal name of senior refrigeration worker is "refrigeration equipment maintenance worker" Level 3 (senior). It is a professional skill level appraisal certificate issued by the Labor Bureau. It is absolutely useful when applying for corresponding jobs. And after entering relevant companies, it will generally continue to be used as the basis for promotion, training, and salary increases.

Training is required before applying for the exam. There are many training institutions, including those authorized by the Labor Bureau (the list will be published on the local labor and social security website). The fees vary greatly across the country. It ranges from 1,800 to more than 3,000. There are subsidies in some places, such as Shanghai. You can enjoy the subsidies if you register if you meet the conditions.

It is recommended that you check the local labor and social security website online or call for consultation.

If you have decided to only engage in sales, application design and other types of jobs in the future, then not taking the exam will have little impact on your job search. It is helpful for maintenance, entering manufacturers, parts sales, etc.