1: https://www.gaitubao.com/hk/barcode
2: https://tw.online-barcode.com/
3: https://barcode.tec-it.com/zh
4: https://www.barcode-generator.de/zh-TW/
https://template.city/%E6%A2%9D%E7%A2%BC%E7%94%A2%E7%94%9F%E5%99%A8
