The chips in air conditioners and washing machines are generally micron-level processes, that is, 1000 nanometers, and some high-end home appliances including air conditioners and washing machines may reach 90-100 nanometers.
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Most of China's aggressive expansion of chip manufacturing capacity is 28nm or more backward processes, unlike South Korea's Samsung and TSMC, which are leading the way with advanced processes of less than 10nm.