◎ The box is made of strength engineering plastics, which is formed by rolling and has a smooth appearance.

◎ The box body is strong and durable, its firmness ≥ V grade, impact resistance, suitable for high temperature, severe cold and other harsh environment.

◎ The thermal insulation material is polyurethane non fluorine foaming material with uniform thickness and density of 40-45kg / m3.

◎ The thickness of the insulation layer is ≥ 40mm, and the insulation performance is excellent.

◎ Both sides of the box cover are equipped with handles to facilitate moving; the box cover is opened upward, and the opening is ≥ 90 degrees.

◎ Connections and locks: the materials are made of strength engineering plastics, with the firmness ≥ grade III; the upper cover is equipped with rubber sealing strip, with labyrinth design for sealing, with good heat preservation effect.

◎ It is suitable for long-term cold storage and preservation of food and medicine, especially for cold chain transportation of vaccines.