Yunxin PTS system is a product traceability system based on the Internet of Things barcode technology, mainly used in small and medium-sized manufacturing enterprises. The system realizes real-time data collection, tracking, error prevention, monitoring and control of the entire production process from raw materials to finished products by arranging special equipment at the production site and cooperating with the software system. By controlling factory resources including materials, warehouses, equipment, personnel, quality, technology, process instructions and facilities, it improves product production level, ensures product quality and enhances corporate competitiveness. At the same time, it can achieve rapid traceability when product quality problems occur, safeguarding consumer interests and corporate image.