The better brands of percussion drilling rigs are: Hitachi Power Tools, Dongcheng, Bosch Bosch, Dewalt, Mattel, Makita and so on. The brand of impact drill is important, but it also depends on which brand has better after-sales service. Because the percussion drill is a tool, there will be minor faults in use, especially after a long time. Therefore, good after-sales service can be used for a long time and easily.