PE process engineer, EE equipment engineer, and PIE process integration engineer. Now SMIC is ok in the domestic semiconductor industry. Now, people who recruit PE PIE are generally graduate students, but there are also undergraduate students, but they are generally students majoring in materials, physics, chemistry, optoelectronics and microelectronics. The semiconductor industry has many processes, such as photolithography, etching, diffusion and many processes. If you are not majoring in these fields, you can take other positions in the company first, and you can change jobs.