1. The door frame is bent and formed in one time, with good overall rigidity, high strength and difficulty in deformation;

2. There are no exposed welding spots on the surface of the door leaf, and the edges are rounded, which is beautiful and user-friendly;

3. The door frame and door leaf are sealed in multiple channels, with good sound insulation performance;

4. Purpose location: theaters, dance halls, equipment rooms, computer rooms and other places with high sound insulation requirements.

Hardware features:

1. Various hardware configuration plans for European Standard Hardware, American Standard Hardware, and GB Hardware;

2. Options: door bottom brush, automatic door bottom strip, lower threshold.