Henan Weiguo Intelligent Technology Co., Ltd. established in 2017, is an innovative technology company in China and is the pillar enterprise of the healthy home business division of Hanwei Electronics (stock number: 300007). Focusing on the complete chain of design, R& D, production and sales of smoke alarm, gas alarm, air quality monitor and alcohol tester, we strive to supply air health service for the human beings in the world.