Its subsidiary: Occupational Health Education Network (noht.org.cn) is a comprehensive website focusing on occupational health and radiation health. It is an occupational health resource integration platform led by Hunan Baili Education Technology Co., Ltd. At present, it has carried out occupational health training business (including radiation health), occupational health consulting business, occupational health technical service business (including radiation health) and occupational health physical examination business. The platform includes PC, mobile APP and H5 mobile web version. The website covers laws and regulations, knowledge learning, industry information, case guidance, etc. It has practical functions such as publicity and education, online learning, online assessment, certificate inquiry, online consultation, online appointment, etc. It is a comprehensive boutique platform for the existing occupational health sector.