For graduates majoring in electrical engineering, computer, communication, finance and accounting, the written test proposition and marking are organized by the company. The written test includes comprehensive ability and professional knowledge. Comprehensive abilities mainly include speech comprehension, mathematical thinking, judgment and reasoning, data analysis, and China electric power and energy strategy (including basic knowledge such as UHV, smart grid and energy Internet), accounting for about 35%. Professional knowledge mainly includes professional theoretical knowledge and professional skill knowledge, accounting for about 65%.

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