Modern Architectural Zinc Alloy Double Door for Exterior Entrance

Enhancing both aesthetics and security, the hinges are concealed to prevent forced entry by prying. Our hinges comply with JG/T 125-2017 Grade 1-3 standards.

• Load capacity: 40kg
• Operating cycle: 30,000 times
• Material: 304 stainless steel (Thickness ≥2mm)
• Feature: Special anti-theft structure

Features C-level certification (the highest civil security rating).

• Anti-pull time: ≥10 minutes
• Security Bolts: 14mm extended steel bolts (anti-prying)
• Durability: Over 200,000 cycles (2× national standard)
• Corrosion Resistance: 72-hour salt spray test certified

Utilizing military-grade cold-rolled steel with a traceable supply chain.

• Yield strength: ≥340MPa
• Zinc coating: ≥70g/m²
• Panel thickness: 1.0mm (Industry Grade A maximum)
• Impact Resistance: 50% higher than standard 0.8mm products
• Anti-destruction duration: ≥30 minutes