Fireproof door can be resisted burning fire and rattled the smoke in order to makes alighted step for user and passenger, door can be protected the technical room in the appartment, too. Product has many level sustentive time such as 70 minutes, 90 minutes, 120 minutes, and 180 minutes. This total fireproof solutions can used in the projects such as factories, apartments, hotels, trade centers, and offices building.