Furniture Hardware Wardrobe Accessories Wholesale Modern Heavy Duty Sliding Door Iron Roller Set. Durable Low Noise Design: Features durable rolling smoothly with low noise and rust-proof capabilities. High Load Capacity: Supports a weight tolerance of 25-35KG for heavy duty sliding doors. Rigorous Quality Testing: Undergoes life cycle test over 50,000 times to ensure reliability. International Certifications: Certified by CE, ISO, and SGS for international quality standards. OEM/ODM Customization: Offers personalized customization for innovative product designs. Free Sample Availability: Free samples available for quality check with freight collected. Logo Printing Service: Custom logo printing available on both product and carton. Modern Chrome Finish: Features zinc plated chrome finish for a modern aesthetic.