China Factory Supply Anti Rust Steel Frame Security Door for Mountain Area Residential Villa Buildings Entry

China Factory Supply Anti Rust Steel Frame Security Door for Mountain Area Residential Villa Buildings Entry. Customized Size: Standard and custom sizes available based on drawings and inquiries. High Security Design: Features Zinc-Iron Alloy, Aluminum Plate, and Integrated Euro Profile Lock Case Assembly. Premium Materials: Constructed with Zinc-Iron Alloy, Aluminum Plate, Stainless Steel Threshold, and EPDM Rubber Seal. Advanced Insulation: 85mm door leaf thickness with Aluminium Silicate and PU filler for thermal and sound insulation. Comprehensive Warranty: More than 5 years warranty coverage with online technical support and free spare parts. Professional R&D: Over 50 R&D teams and 56 patented technologies ensuring innovative and stable products. Global Certification: CE certified with NFRC, CSA, IF, and Red dot awards for quality assurance. Flexible Payment: Accepts USD, T/T, L/C, D/P, PayPal, Western Union, and small-amount payments.