Suzhou area

Low-voltage work permit (IC card) usually takes about one month, and the cost is 600 yuan.

High-voltage work permit (IC card) usually takes about one month, and the cost is 700 yuan.

Junior maintenance electrician, the training period is about one month, and the training is free (with government subsidies).

Intermediate maintenance electrician, the training period is about two months, and the cost is about 300 yuan (there is government subsidy, so it is cheap).

Senior maintenance electrician, the training period is about three months, and the cost is about 500 yuan (it is cheap because of government subsidies).

The first textual research, you can probably test these cards.

To be an electrician, you need to hold relevant certificates, which are issued by the Safety Supervision Bureau. IC card is necessary, and grade certificate is a certificate of professional ability and a certificate of labor bureau. Look at your test ability.

I hope it helps you.