1. Inkjet door head has the advantages of low price and simple and convenient production. The disadvantages are that the spray paint fades quickly and has a short lifespan.

2. The main advantages of luminous character type are energy saving, environmental protection, durability and high cost performance.

3. Neon lights are characterized by rich colors, but their disadvantages are that they are too fragile, not durable, not beautiful enough during the day, and suffer from large light attenuation.

4. Aluminum-plastic panels are affordable, easy to make, and have long color retention time.

5. Glass is characterized by bright color, smooth appearance and high grade. The disadvantage is high cost.