
OEM Customized Russian Standard Entrance Steel Metal Door for Security. Extreme Cold Climate Design: Engineered with thermal break system for sub-zero temperatures and heavy snow resilience. Advanced Anti-Theft Security: Features heavy-duty Russian-style double lock and multi-point locking mechanisms. Superior Thermal Insulation: Premium insulated steel construction prevents heat loss in harsh winter conditions. All-Weather Durability: Anti-rust coating and copper finish ensure waterproof and sunproof performance. Premium Soundproofing: Dense internal insulation materials drastically reduce exterior noise pollution. OEM and ODM Customization: Supports customized dimensions, colors, surface finishes, and hardware accessories. Fire and Earthquake Resistance: Primary functions include fireproof, theft-proof, and earthquake-resistant capabilities. 5-Year Quality Warranty: Comprehensive warranty covering frame fading, peeling, and hardware functionality.