The R&D department has the highest salary. According to relevant information, BYD's R&D department has a high salary. According to the comparison of the average wages of enterprises, it can be seen that the wages of BYD's R&D department are higher, and the average wages of workshops are around 6500. In recent years, BYD has developed rapidly by relying on new energy vehicles, and its capital investment and policies for R&D have been continuously increased, so the R&D department is now the highest salary in BYD's factory.