Variable code printing (variable data printing) is widely applied across multiple sectors, enabling personalized outputs by dynamically generating variable content such as QR codes, barcodes, and serial numbers:

• ‌Credential production‌: Used in ID cards, certificates, and awards, incorporating variable images, text, numbers, and barcodes to ensure uniqueness and security.
• ‌Anti-counterfeiting and traceability (one-item-one-code)‌: Employed in cosmetics, pharmaceuticals, food, and electronics industries for product tracking and anti-counterfeiting via variable QR codes or barcodes.
• ‌Marketing and promotional activities‌: Includes restaurant vouchers, coupons, password-based red envelopes, and payment codes to support customized campaigns.
• ‌Ticket management‌: Applied to scenic spot tickets, concert tickets, etc., printing variable seat numbers, barcodes, or QR codes for verification and analytics.
• ‌Financial and billing documents‌: Used in insurance policies, prepaid cards, and bills, featuring variable numerical and textual data.
• ‌Product labeling and packaging‌: Facilitates date, batch number, and serial number coding to enhance supply chain efficiency and anti-counterfeiting.
• ‌Promotional tools‌: Such as scratch cards and lottery tickets, utilizing variable passwords or serial numbers to boost engagement.