A semi-sunk swing door is a door half embedded in the cold storage unit's door frame.It is primarily used in smaller cold storage facilities. Door panel: 100mm/150mm polyurethane sandwich panel. With color steel,stainless steel ,galvanized steel or aluminum,etc. Door lock: Material: zinc alloy , stainless steel The door can be opened inside with the safety door lock. Door strips: 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. Normal size: 700mmW x 1700mmH 800mmW x 1800mmH 900mmW x 1900mmH 1000mmW x 2000mmH 1200mmW x 2100mmH and custom-made. Advantages: The use of aluminum edging gives the door a better appearance,and with its sealing strip configurations,outstanding insulation properties.This product is inexpensive,economic and practical.