–The integrated guide pulleys in the top track ensure smooth, stable, and durable door sliding. –The profiles are designed to meet European standard hardware specifications, featuring multiple locking points for enhanced security and an effective anti-theft system. –The 12mm aluminum strips ensure tight connections and excellent sound insulation. Multiple layers of windproof, waterproof, soundproof, and dustproof designs provide superior protection and comfort. –The SUS304 stainless steel sliding tracks support up to 200kg in weight, with pulleys tested to withstand over 100,000 cycles without damage. –The door features 5mm double-layer fully sealed automotive-grade safety glass, filled with argon and equipped with chemical molecular sieves for double-layer sealing. This design delivers superior sound and heat insulation while preventing fogging. –The exquisite lock features smooth outlines and feels comfortable to use. Its sleek and ergonomic design combines the beauty of aluminum alloy with a retro aesthetic, creating a stylish and comfortable handle.