1, office supplies: these items include, but are not limited to, pens, paper, folders, file folders, erasers, calculators, projectors and so on.
2, labor supplies: these items include helmets, protective masks, dust masks, gloves, seat belts, knee pads, goggles and so on.
3, medical supplies: these items include disposable syringes, disposable ear, nose and throat instruments, disposable operating room instruments, disinfectant, examination clothes, examination bags and so on.