Shandong Zibo Supplier Alumina Grinding Ball with Diameter 10mm 15mm 20mm. High Strength & Toughness: Features high fracture toughness, high corrosion resistance, and super smooth surface. Wide Application Range: Ideal for ceramic, paints, cement, pharmaceutical, chemical, and mining industries. Customizable Specifications: Available in sizes 0.5-60mm with customizable composition, size, and drawing. Flexible Packaging: Options include 25kg pails, jumbo bags, or 25kg bags packed on pallets. Free Sample Testing: Free stock samples available for quality check before bulk order. Direct Factory Supply: Manufacturer direct sales with competitive pricing and fast response.