➀ The criteria for a chip company to be considered a major factory include having over 1000 employees and being involved in key industries such as internet, drones, and automotive. ➁ A list of major chip companies is provided, including internet/ drone companies like Alibaba's Tmall Genie Technology, Baidu's KEG Lab Chip, and DJI's chip department, as well as car companies like Ideal, Xpeng, and NIO. ➂ Foreign companies such as Intel, Qualcomm, NVIDIA, Broadcom, Texas Instruments, Micron, ON Semiconductor, STMicroelectronics, NXP Semiconductors, and AMD are also listed as major chip manufacturers.