2. Seal on the sides of the traffic door;
3. Aluminum alloy door panel frame;
4. Door panel: 0.5 mm thick color steel sheet with 40mm PU filling; B2 grade fire-proof;
5. Bumper rubber: in both sides. 36"(914mm), the height can be customized. Optional color: black / white (additional option);
6. View Window: Square shape, oval shape or round shape (additional option);
7. Heavy duty hinges