The JKF-400LA is a new-generation upgraded large-scale vertical multi-functional sealing machine. Its mechanical upgrades include a dual-motor independent control system, with both the conveyor table and the main housing supporting independent vertical adjustment. It features an extended and widened conveyor table with side adjustment frames for free lifting and lowering, as well as enlarged and extended copper heating blocks. The sealing standard has been upgraded to 15mm, and the sealing margin can reach up to 130mm. The entire unit utilizes stainless steel screws and C&U bearings, with all transmission components upgraded to metal to significantly improve versatility for various products. The inkjet coding system is standardly equipped with an industrial-grade motherboard and technical enhancements, effectively shielding against external electromagnetic and static interference to greatly improve coding stability. These protective measures for the motherboard and ink cartridges also significantly extend the overall service life of the machine. Additionally, optional simple vacuum and gas flushing functions are available.