Sliding Door: Slide way: It was made of corrosion-resistant aluminium alloy material and nylon roller, S/S rollers shelf, screw, nut, washer. Up-open and Down-close: The system installed are inner of slide-way. It is take advantage of gravity theory to make sure the door keep in hermetic. Handle: Strong stainless steel handle, easy and convenient. Door hole size: Max size: 7000mmx5000mm Suitable condition temperature: -70º C to 100º C Door panel thick: 80mm 100mm 120mm 150mm Driving way: Manual Antifreezing heating wires: The low and medium temperature's storage for choose match. Safely lock: No need any tool that it can be turn on the lock manually in the inner of the storage Door panel material of surface: Stainless steel, PPGI Core material: Polyurethane(PU) Hermetic material: Airtight and wear-resisting of Rubber Sealing Bar Door panel's QTY: It can be choose single or double Power: 220V/50Hz or 24V/50hZ. (for heating wires)