It usually takes half a year, and some state-owned enterprises need three months. After joining state-owned enterprises, patriotism education should be carried out first, and then safety study should be carried out. After passing the safety examination, we learn the production process of the enterprise and then assign it to each post according to the actual needs of the enterprise. This is another round of specific job training. Only after passing the exam can it be operated (led by the master). It will take about half a year.