What types of parts processing are included in the processing of metal stamping parts

What types of parts are included in the processing of metal stamping parts? Now the hardware stamping parts processing manufacturers on the market are very common, but common does not necessarily mean that they can do all the hardware processing parts in all industries. The hardware processing parts are also divided into simple and complex types of processing. For example, the processing of medical parts in the current medical device industry, the aviation microporous stamping parts used in the aviation industry, the processing of auto parts in the automotive industry, the processing of clock parts on watches, etc. these parts belong to more complex and difficult hardware parts.