A pet dog cage is a safe and portable pet storage device. Available in steel, wood, and all-steel options, it features a durable structure and a hollowed-out bottom for easy cleaning and ventilation. Its foldable design makes it easy to carry and move, and its multi-faceted doors facilitate pet access and daily care. Suitable for use at home, on the go, or in pet-sitting facilities, it balances safety, comfort, and practicality. Custom sizes, colors, and door openings are available, and manufacturers offer OEM/ODM services and mass production solutions to meet the needs of different pets and usage scenarios.