initial
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Since 2005, BYD began to independently develop automotive IGBT chips through the acquisition of the road, so far, in addition to Toyota, the world's only BYD is the IGBT chip design and production capacity of the car manufacturers.
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self-innovate
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Among the traditional car companies, only BYD has adopted the self-research method, and other domestic manufacturers such as BAIC, SAIC, Geely, etc., have adopted the cooperation method of embracing semiconductor manufacturers to set up new companies. Among them, SAIC and Infineon jointly established IGBT enterprise SAIC Infineon Automotive Power Semiconductor (Shanghai) Co., LTD.