Who takes the tram early, BYD or Tesla?

BYD was earlier. Both of them started to develop electric vehicles in 2003, and the first product rolled off the assembly line in 2008, so it is impossible to accurately distinguish who is earlier. However, in BYD 20 10, pure electric buses, pure electric cars and hybrid cars have a high sales volume, and they are all exported. Tesla was not good at that time. So it can be considered that BYD is earlier. Upstairs, it is said that Tesla is earlier and has never seen BYD's information at all. In fact, Tesla and BYD have no direct comparability. A core technology is software, and a core technology is Sandian. Strictly speaking, it's not on the same track.