4 Inch Heavy-Duty PU Fixing Rubber Casters for Trolley Wheels

4 Inch Heavy-Duty PU Fixing Rubber Casters for Trolley Wheels. High Load Capacity: Single wheel supports up to 150kg for heavy-duty industrial handling. Durable PU Material: Polyurethane wheel surface combined with dual ball bearings for smooth rolling. Full Brake System: Equipped with a universal full brake for enhanced safety and stability. OEM/ODM Support: Professional manufacturer offering custom branding and design solutions. Fast Sample Delivery: Samples prepared within 3-5 days based on specific customer requirements. Strict Quality Control: Comprehensive QC process including 100% in-line and final inspection. Flexible Packaging: Customizable packaging options including bags, cartons, and pallets. Efficient Production: 6 production lines with 25 skilled workers ensuring high efficiency.