The head rail of single or double sliding door is made of aluminum alloy. With the help of reliable drive system, the door can be used for more than 1 million times. The cover for head rail can be aluminum alloy or stainless steel. The material for door plate can be aluminum alloy or stainless steel. Powder coating for door plate, different colors can be chosen. Polyurethane foam inside the door. To protect people from X rays radiation, we put lead plate inside the door. The width of lead plate can be 1mm or 2mm. Covered with rubber strips around both sides and upper side, the door system can meet the requirement of cleaning environment for hospitals. The door runs stably. It can be opened by foot sensor switch or hand sensor switch. It works with safety eyes, which make it safer for users.