The four major brands are "Meinian Health", "Ciming", "Oya" and "MJ". Among them, in the public health examination market, the two major brands "Meinian Health" and "Ciming" physical examination are the core coverage of the market. The mid-to-high-end group health examination, high-end personal health examination and comprehensive medical service markets are covered by "Oya" respectively. ”, “MJ” physical examination provides high-level quality services.