Door panel: 100mm/150mm polyurethane sandwich panel. With colored steel,stainless steel ,galvanized steel or aluminum,etc.
Material: zinc alloy , stainless steel,
The door can be opened inside with the safety door lock.
Use special silica gel , with excellent resistance to high and low temperature , ozone and atmospheric aging, as well as good dielectric, water-repellent, physiologically inert
Other custom options:
Pu panel window can be added.