The ZONESUN GLF-500L is a portable, non-contact induction sealing machine designed for sealing aluminum foil caps on plastic and glass bottles. Using electromagnetic induction, it instantly generates heat to fuse foil liners, preventing leaks and contamination. Compatible with sealing diameters from 20–130mm, it supports a wide range of bottle types and heights. Ideal for pharmaceuticals, cosmetics, food, and chemical packaging, this machine features high efficiency, low power consumption, and built-in safety protections. Not suitable for metal containers or vacuum aluminized film.