1. More than 25 years experience on manfacturing of fire steel & wood door. 2. Passed fm, whi (intertek)approval for 1hr, 1.5hr, 3hr, that almost cover all fields of fire door usage. 3. A trained and dedicated sales and r & d technician team, promptly and thoughtful service. 4. Real manufacturer, 1, 200, 000 sq. Ft. Factory, big production capacity, 1, 000, 000 sets of door & frame per year. 5. Top quality equipment and planning tools, hundreds of advanced equipments including amada fabrication center housing automated punching and forming equipment. 6. Warehouse in canada and usa. Product name: steel fire door Standard: US standard Size: Customized Certificate: FM, WH 45mins, 90mins, 180mins Thickness: 1-3/4 (45mm) Material: 0.9mm, 1.1mm CRS, galv. Galvanneal steel Core: HC, PS, mineral fire board Frame: 1.4mm CRS, galv. Galvanneal steel Frame: Masonry wall , dry wall, Frame�?knockdown frame, welded frame, adjustable frame Paint: primer paint, finished paint, powder coating, heat transfer Glass: with Narrow wire glass or without Hardware: UL listed hinge, closer, lock, panic bar etc.. Louver: with or without Type: flush or 2 panel or 6 panel or vision panel