1. Depending on the product being dried, drying ovens can be categorized as: camera drying ovens, pharmaceutical drying ovens, and food drying ovens.
2. Based on their operating principles, drying ovens can be categorized as: vacuum drying ovens, forced air drying ovens, precision drying ovens, electronic drying ovens, infrared drying ovens, microwave drying ovens, etc.
3. Based on their characteristics, drying ovens can be categorized as: physical and chemical drying ovens, digital display drying ovens, electric heating drying ovens, high-temperature drying ovens, low-temperature drying ovens, etc.
4. Based on their structure, drying ovens can be categorized as: desktop drying ovens, laboratory drying ovens, etc.