Heavy Duty Caster Wheel 3 Inch Nylon Wheel Swivel Casters for Al Server Cabinets, Industrial Equipment. High Load Capacity: Supports up to 900kg per caster with ultra-strong enhanced nylon wheels. Durable Construction: Raceway treated with carburizing heat treatment for increased hardness and strength. Corrosion Resistance: Available with eco-friendly zinc plating or electrophoretic coating. Impact Resistance: Nylon wheels offer excellent impact resistance and minimal deformation under static load. Customization Options: Full customization available for size, material, color, and packaging based on requirements. Quality Certifications: ISO 9001:2015, CE, RoHS compliant, and SGS certified medical-grade standards. Comprehensive Testing: Includes 1,000+ cycle durability, salt spray, impact, and noise level testing. OEM/ODM Services: Professional manufacturer offering custom designs, samples, and technical drawings.