External mounted power beams and doors are directly attached to the wall, making installation quick and easy Adopting the company's unique design and excellent sealing performance to prevent cross contamination and maximize cleanliness Smooth and comfortable operation, good indoor and outdoor sound insulation effect The opening and closing speed of the door can be adjusted, quickly opening and closing, and the air circulation is reduced to the minimum level to prevent cold air and dust from entering places with clean requirements, maintaining constant humidity/temperature Humanized and accessible design ensures safe passage and convenient use for patients and carts, providing maximum possible convenience