Railway passenger car specific temperature sensing stickerPerformance and Usage The SWX series railway passenger car specific temperature sensing sticker has unique color changing and digit

Low temperature color changing stickerLow temperature color changing sticker, a temperature controlled color changing material that integrates advanced technology, can trigger magical color

Irreversible special flashback sticker for car lightsThe flashback sticker of the car lamp undergoes a color change due to electron transfer at a specific temperature, causing the molecular