What are the free study programs in China after three years of social security payment?

Hairdresser, electrician, welder. According to official website, social security training, vocational skills training is jointly organized by the Human Resources and Social Security Bureau and the Employment Bureau, and up to three courses are provided free of charge every year, including hairdressing, electrician, welder, scaffolder, steel bar worker and western-style pastry. Social insurance refers to a social and economic system that provides income or compensation for people who lose their ability to work, are temporarily unemployed or suffer losses due to health reasons.