
Steel Pulley Group (bearing low resistance type I). Customized Color: Color can be customized according to specific requirements. Logo Printing: Available with logo printing for branding purposes. High-Precision Bearings: Axle adopts high-precision bearings to improve mechanical efficiency. Durable Steel Construction: Made of fine steel with galvanized surface treatment for durability. Educational Application: Specially designed for middle school physics teaching and experiments. OEM and ODM Services: Full customization, minor customization, and flexible customization available. 100% Quality Inspection: Finished products undergo visual and function inspection before delivery. Fast Delivery: Average lead time is one month for both peak and off-peak seasons.