4 Inch Heavy-Duty PU Swivel Casters for Trolley Wheels and Equipment

4 Inch Heavy-Duty PU Swivel Casters for Trolley Wheels and Equipment. Heavy-Duty Load Capacity: Supports up to 150kg load capacity with durable polyurethane wheels. Dual Ball Bearing System: Equipped with dual ball bearings for smooth rotation and high efficiency. OEM/ODM Customization: Supports full customization including logo, branding, and design specifications. Professional Manufacturer: 3,000 sqm facility with 30 staff and 7 years of Japanese market experience. Strict Quality Control: 100% inspection from raw materials to finished products with comprehensive QA. Fast Sample Delivery: Samples can be prepared within 3-5 days based on your specifications. Flexible Packaging: Offers plastic bags, cartons, pallets, or custom packaging solutions. Convenient Logistics: Located near Guangzhou, Foshan, and Shenzhen ports for efficient shipping.