LENIS also delivers NRTL dependent machine certification option for US buyers and mandatory machine certification in accordance with CSA directives for Canadian prospects. Most of our machines have CE certification as a typical. Our machine has just one yr guarantee and our machine's cam/splitter/air distributor has lifetime circle warranty. https://www.linpack.com/news/the-hidden-benefits-of-vacuum-packaging-machines-for-e-commerce-and-retail