Shenzhen Ouchuangrui Technology Co., Ltd. Is a manufacturer of gas instruments such as pm2.5 detector, formaldehyde detector and carbon dioxide detector. The company has built a perfect air quality testing engineering development platform, with a good ability to develop new products; With perfect product quality testing and reliability testing facilities, we have developed various gas detectors, which are widely used in home environment air quality monitoring in domestic and foreign markets. In recent years, we have developed a series of air quality detector products with independent intellectual property rights, and have been widely concerned and recognized by users at home and abroad. We are committed to serving for global users and continue to strive to realize our own value!