The packaged products should be stored in hygienic and well-ventiated environment with relative humidity less than 80%,and free form harmful gasee .
The product standard complies with the main worldwide standards such as medical protective masks of GB 19083-2010 in China and Filtering half masks of EN 149 in EU .
Established in 2003, Beijing Naton Medical Group (Naton), is an international medical health care industry group that integrates independent research and development, scale manufacture, specialized marketing and high-quality medical service.
Naton's core business involves medical devices, new materials and other fields, among which the orthopedic business was started in 1996. Naton has 9 national high-tech enterprises and has more than 4,000 employees.