National technology-based small and medium-sized enterprises refer to the group of small and medium-sized companies engaged in the R&D, production, and service of high-techs. They play an important role in promoting the ability of high-tech innovation, supporting the sustainable development of the economy, and expanding employment. They rely on a lot of technical people to participate in R&D and scientific activities to obtain independent intellectual property rights and then transform them into high-tech products or services to boost sustainable development.