This video comprehensively showcases the core details and full open-close process of the steel fire safety door, highlighting its safety performance and exquisite craftsmanship:
1.【Full Operation Demo】Push and pull the door — it opens smoothly without jitter and closes firmly. 3 sets of load-bearing hinges ensure stability, and the smart lock is easy to operate, perfectly suitable for high-frequency use scenarios.
2.【Core Detail Close-Ups】Material Close-Up: Close view of the cold-rolled steel base, highlighting the thickness of the door frame/leaf steel plate and the corrosion-resistant texture of the electrostatic powder coating surface.
Structure Close-Up: Reveal the internal high-density fireproof perlite filling, intuitively reflecting the core guarantee of Class A fire rating (fire resistance ≥90 minutes).
Hardware & Sealing Close-Up: Focus on the detailed texture of stainless steel hinges and smart locks, as well as the sealing effect of fireproof sealing strips, balancing security and sound insulation.
3. 【Performance and Application】 The product has Class B security, 35dB sound insulation performance, complete fire protection certifications, can pass acceptance smoothly, and is suitable for hospitals. It is a professional door solution that combines safety and durability.





