OPT 1 - Use dry ice, for 1 hour prior to loading
OPT 2 - Place the ice cooler/chest in a chest freezer overnight.
OPT 3 - You can simply fill the cooler/chest with ice & leave out overnight,
followed by draining & replacing any ice after loading with food/drink.
For More Information:
Tel: +86-571-85865338
Email: kira@gint.cc