How many years does it take to work in Shanghai No.1 Iron and Steel Plant?

Does the subject want to ask "how many years does it take to enter the first steelmaking plant?" /kloc-more than 0/0 years working experience in iron and steel enterprises, more than 5 years equipment management experience in steelmaking converter and refining furnace. According to the recruitment brochure issued by official website of Shanghai No.1 Iron and Steel Co., Ltd. of Baosteel Group, the interview of No.1 Iron and Steel Plant needs to meet the requirements of college degree or above, major in mechanical engineering, working experience in iron and steel enterprises 10 years or more, equipment management experience in steelmaking converters and refining furnaces for more than 5 years, and familiarity with technological processes and equipment expertise of steelmaking converters and refining furnaces.