OEM Adjustable Aluminium Double Roller for Door and Window

OEM Adjustable Aluminium Double Roller for Door and Window. Adjustable Height Design: Roller height is fully adjustable for versatile application on doors and windows. 2-Year Warranty Coverage: Comprehensive 2-year warranty provided for all mechanical defects. ISO Certified Quality: Product meets international ISO certification standards for reliability. Customizable Color Options: Available in different colors to match specific customer requirements. OEM Service Available: Full OEM support with technical drawings, samples, or photos accepted. Multi-Material Construction: Constructed from steel, zinc, aluminum, or plastic with ball or needle bearings. 20 Years Professional Experience: Nearly two decades of expertise in non-standard bearings and rollers. Global Market Presence: Products exported to over 20 countries worldwide with competitive pricing.