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Thermos Food Jar

The insulated lunch box is generally a container made of double-layer plastic or stainless steel with vacuum layer or heat insulation layer. The top is covered and the seal is tight. The vacuum layer or the heat insulation layer can delay the heat dissipation of the food inside to achieve the heat preservation. the goal of. The insulated lunch box is developed from the thermos bottle, and the insulation principle is the same as the thermos bottle. There are three ways to spread heat: radiation, convection, and transmission. The silver inner tank in the cooler can reflect the heat radiation, and the vacuum layer or the heat insulation layer of the cup body can block the heat transfer. The insulated lunch box uses high-tech vacuum technology to vacuum the double-layer high-quality stainless steel inside, which can effectively block the heat source and achieve the effect of heat preservation.
Its characteristics are long-lasting, and can be reheated when you want to eat it; stylish appearance, light carrying belt; relative to the market's insulated lunch box, the price is relatively affordable, the product is green and environmentally friendly, energy-saving and beautiful. Our insulated lunch boxes not only give you the best insulation, but also keep your food and drinks warmer and fresher.
CHAOLANG's insulated lunch boxes allow you to eat your favorite foods as you wish. Our factory wholesales bulk thermos food cans at low prices and is one of the leading manufacturers and suppliers of thermos food cans in China, supporting customized services and free samples. Welcome to buy.