Established in 1992, we are the first company in China to have devoted the research on the purification of air in confined, indoor spaces. Our research team has established long-term collaboration with experts from Tsinghua University, Xiamen University, and other esteemed institutions. Our product has been honored with over twenty national patents, and we have participated in the drafting of one national standard and seven industry standards. We have over 300 exerience halls in developed cities of China, with a market that is repidly increasing year by year. Since our product was released, we have received overwhelming praise from both our dealers and consumers. We are curretly on a 10-year streak of 0% cusomer complaint.