thermal insulation performance: energy-saving and environmental friendly polyurethane one-time foam molding, thermal insulation performance is good; Insulation layer foam density 30Kg/m, thickness of 10cm or so. 

evaporator: made of high-quality copper tube 8×0.75 wound, durable.

inner liner: double inner liner, the inner layer is made of embossed aluminum plate, the outer layer is made of high-quality stainless steel plate, the U hole is punched in stainless steel, the hole density is 45 holes /mP, and the copper tube is exposed.