Ningbo Keli Sensing Technology Co., Ltd. (hereinafter referred to as "Keli Sensing") was established in 1995, located in Jiangbei District Investment and Entrepreneurship Park, Ningbo. It is one of the main leaders in the research and development, popularization and application of Internet of Things in the global weighing field, one of the important weighing component manufacturing and sales enterprises in China and one of the pioneers in the industrial Internet of Things industry. It mainly develops and produces all kinds of physical quantity sensors, weighing instruments, electronic weighing systems and complete sets of industrial IoT systems, providing industrial IoT systems and scene application solutions such as non-stop detection system, construction machinery IoT (including dry mortar), unattended one-card system, intelligent logistics equipment IoT, environmental protection equipment IoT, intelligent consumer equipment IoT, animal husbandry IoT, vehicle-mounted IoT, port machine IoT and offshore engineering equipment IoT, and providing professional IoT software customization services.