GC-Box series of IoT boxes is an indispensable edge computing gateway in the industrial IoT solution launched by Beijing Jinkong Intelligent IoT Technology Co., Ltd. It can be widely used in air conditioners, water supply, buildings, heating, cold storage, laboratory equipment, air compressors, packaging, printing, textile, rental equipment, environmental protection equipment and unmanned pump stations. It has the following features: support for multiple communication interfaces, support for remote uploading of device programs, self-conversion of protocols, multiple communication methods, Web functions, multi-channel fault alarm and free and stable Jinkong cloud services.