In today's rapid economic development, lottery tickets are everywhere. You may have bought it before. When you got this paper coupon, you might have thought about its craft. The following are the lottery printing steps: The first step: design lottery ticket face patterns and design gameplay schemes; The second step: computer simulation lottery production process; The third step: independent third-party review of the design plan to ensure compliance with safety; The fourth step: print a prize group and send it to an independent testing agency for the actual scratch scratch review The fifth step: go to production after passing the test; The sixth step: randomly pick 5 samples from each paper roll and send it to the laboratory to check the product quality; Step 7: Place the aging machine with high temperature and high humidity for 48 hours; Step 8: The machine pulls into a stack of tickets and punches and packs the lottery ticket. Dental Tool Set,Dental Instrument Set,Dental Assistant Instruments,Dental Diagnostic Instrument Set Henan Hanchen Medical Technology Co., LTD , https://www.tchanchen.com