How to apply for Liaocheng low-voltage electrician certificate?

low voltage work permit < br > (1) is the welder's work permit. Its work category is metal welding and cutting, and it is tested once a month. If there are many people, you can arrange the exam at any time. The welder's operation certificate is issued by the safety supervision bureau, regardless of grade, but the operation certificate needs to be examined annually once every three years. To apply for a welding operation certificate, you need to bring a copy of your ID card and a one-inch photo (br) (2), that is, an electrician's employment certificate, also known as an electrician's operation certificate IC card, and take an exam once a month. Many people can arrange exams at any time. The electrician's operation certificate is issued by the safety supervision bureau, regardless of grade, but the operation certificate needs to be examined annually once every three years. To apply for an electrician's operation certificate, you need to bring a copy of your ID card, a one-inch photo and a 2-post professional qualification certificate.