Shanghai Jing Yuan Environmental Protection Equipment Co Ltd was founded in 2013 with founders and supporting staff recruited based on a wealth of service experience in the field of science and technology. The company has since greatly advanced air purification technology. The "Di Yuan" series of air purification products have gained recognition from numerous customers with its unique, first-class safety, reliability, economy, comfort, adaptability and maintainability. The company and its products have obtained a series of international and domestic authoritative certifications, including ISO9001, ISO14000, ISO18000, CQC, CE, FCC, C-tick, RoHS.