Medical pressure stockings are a product that promotes intravenous blood reflow to the heart, establishing maximum pressure at the ankles and gradually decreasing the upward pressure of the leg.
MODEL: LK-100LK-100 is a small hand crank air raid siren which is designed to provide effective warning signals in places without power supply.The handheld siren is mostly used for air raid warning, and also used for warning of other emergency occasions,