
OEM One and Half Exterior Security Steel Entrance Doors Use Office. Comprehensive Warranty: 5-year warranty coverage for all mechanical and structural defects. High Security Design: Exterior steel door with 70mm thickness and honeycomb paper infill for maximum safety. Customization Options: Full customization, minor customization, and flexible customization from samples or designs available. Premium Surface Finish: Finished surface treated with 5 layers of PU paint for durability and aesthetics. Quality Certifications: Certified with ISO9001 and CE standards ensuring high quality and safety. Durable Materials: Constructed with cold-steel, galvanized steel, or zinc-alloy for long-lasting performance. Flexible Opening Direction: Available for both inside and outside opening directions to suit various needs. OEM and ODM Services: Full OEM and ODM services available for custom designs and manufacturing.