Hanwei Electronics Group is a world leading sensor enterprise, instrument manufacturer, Internet of things solution provider, and the first batch listed company on the GEM (stock code: 300007). The Group has reached the autonomy and control of the whole industrial chain from material technology, design to process, and obtained 903 patents, including 161 invention patents. It owns more than 300 kinds of sensor products in 17 series, such as catalytic combustion, semiconductor, electrochemical, infrared, PID, MEMS, laser, flexible, ultrasonic, etc. It also provides complete IoT solutions for urban management, industrial safety, environmental protection, home safety and health, as well as intelligent vehicles, smart home appliances, medical health, human-computer interaction and other fields, and the group's business covers nearly 100 countries and regions around the world, serving more than 30,000 entity clients.