Medical devices refer to instruments, equipment, utensils, in vitro diagnostic reagents and calibrators, materials, and other similar or related items that are used directly or indirectly on the human body. We mainly offer products such as soft self-crust skin system, slow rebound foam system, gel system, self-crust care mattress system, the products have good durability and comfort, and are used in medical seats, cushions, and mattresses. Medical devices refer to instruments, equipment, utensils, in vitro diagnostic reagents and calibrators, materials, and other similar or related non-bubbles used directly or indirectly for the human body.