Factory Direct Modern Wear‑Resistant Aluminium Sliding Door and Window Roller Product Advantage: 1.Self-cleaning design - Prevents dirt buildup in tracks2.Thermal break technology - Reduces heat transfer in insulated windows3.UV-stable components - Won't degrade in sunlight exposure Specification: Item Name Factory Direct Modern Wear‑Resistant Aluminium Sliding Door and Window Roller Bearing Type Ball bearing Material aluminum Thickness 1mm Service OEM & ODM Warranty 1 Year
