Shanghai Qingyou QualityAir Technology Co., LTD. was founded in 2014. As a health technology company, we are committed to using advanced technology (nanotechnology, Internet of Things, Artificial Intelligence) to provide people with a healthy and comfortable indoor living environment. We optimized and upgraded air treatment, air purifier system (AHUS), fresh air & purification system (ERVS), anion technology, IAQ environmental intelligent monitoring system, green plant space design, etc.