REAL BRASS.
SPACE ALUMINUM.

The perfect marriage of 1.2mm Luoyang Brass and a high-strength aluminum core. Engineered for generations.

Explore Technology

* Authentic Cross-section: Brass Cladding + Aluminum Core

Patented Construction

The 110mm Copper Fortress.

Hybrid Frame System

85*150*3.0mm Space Aluminum Core wrapped in 1.2mm Luoyang Brass.
Result: A frame that never rusts, never sags, and holds the weight of luxury.
110mm Patented Sash

117*77*2.5mm Aluminum main frame filled with Aviation Double-layer Honeycomb.
Result: Extreme flatness and soundproofing.
Surface Treatment

150°C High-temp Baking + Fluorocarbon finish ensures the copper bonds perfectly with the protection layer.
Result: No oxidation, discoloration, or peeling.

Real System vs. Imitation.

Feature	Ordinary "Copper" Door	Kingston Copper System
Surface Material	Fake Copper Paint / Thin Foil	1.2mm Solid Luoyang Brass
Core Structure	Steel Tube / Wood (Rots/Rusts)	3.0mm Space Aluminum (Rust-proof)
Hinges	Stainless Steel (Wears out)	Patented Titanium Alloy Hidden Hinge
Finish Tech	Air Dry Paint (Fades easily)	150°C High-Temp Fluorocarbon
Maintenance	Requires frequent polishing	Maintenance-Free (Self-cleaning)

Titanium Hardware & Security

🔩

Titanium Alloy Hinges

Patented Hidden Structure. Made from high-strength Titanium Alloy. Double transmission, no oiling needed. Tested for 100,000 cycles with zero wear or wobble.

🔒

3D Anti-Pry Lock

SUS304 Integrated Lock Plate. Unlike standard segmented locks, our 3D unitary design prevents loosening and offers superior resistance to forced entry.

🛡️