Silent Smooth Sliding: Premium POM/nylon coated wheels and silent bearings ensure low friction and noise-free operation.
Durable Alloy Bracket: Thickened integrated alloy bracket prevents sash sinking and derailment for heavy doors.
Sealed Rust Protection: Sealed protective structure blocks dust and moisture to prevent rust and jamming.
Universal Size Fit: Standard size fits broken bridge aluminum, aluminum alloy, and plastic steel tracks perfectly.
UV and Temperature Resistant: Special material technology ensures anti-aging and anti-wear for indoor and outdoor use.
Shock Absorption Design: Flexible wheel avoids hard metal friction for stable operation and better sealing.
Long Service Life: Reduces track wear and failure rate, extending the lifespan of doors and windows.
OEM and ODM Support: Flexible customization available including special sizes, private labeling, and packaging.