NMPA registration in China is indeed applicable to specific categories of medical devices, with regulatory requirements tailored to the risk level, complexity, and intended use of the device. Manufacturers must comply with the appropriate requirements based on whether their device falls into Class I, Class II, or Class III, and whether additional clinical trials, performance testing, or inspections are required.For each category, it is essential for manufacturers to be aware of the specific documents, data requirements, and timelines involved in the registration process, as well as any unique rules for sub-categories such as in-vitro diagnostics, implantable devices, and active medical devices.