Paper holders can be divided into four categories: industrial paper holders, agricultural paper holders, food paper holders, and medical products.

1. Industrial paper tray: mainly used for inner packaging of large and small household appliances, mechanical parts, electronic products, and lighting fixtures.

2. Agricultural paper tray: mainly used for fruits, poultry eggs, and agricultural nutrition bowls.

3. Food paper tray: mainly used for food bowls, bowls, and supermarket food trays.

4. Medical products: disposable medical products mainly used in hospitals and frontline battlefields, such as paper urinals, paper toilets, etc. Compared to plastic and stainless steel products, the advantage of disposable shredding into paper fibers for discharge into hospital sewage systems can absolutely avoid cross contamination by bacteria.