As power tools gradually develop from industrial and other professional application fields to people‘s livelihood fields, more and more home consumers tend to DIY to complete small tasks. Cordless, convenient, small and lightweight power tools have gradually become future products. one of the development trends. At the same time, thanks to the rapid development of motor technology, electronic control technology, artificial intelligence technology and other technologies, traditional power tools are promoted to develop into intelligent tools, and intelligent power tools are gradually entering the home. With the expansion of application fields, it will bring greater business market space to upstream spare parts companies.