Jenan yonjong smart technology ltd. Is a high-technology enterprise specializing in the development, production and marketing of high-tech equipment for the analysis of the quality of packaging and software products for food products. The company has a highly qualified research and development team and a production team, and over 20 new technologies, new inventions are patented, with full autonomous intellectual property rights. At the same time, through a permit for measuring devices (no. 2018f204-37)。