1.The name of product:Harmonica-shaped tube for automobile 2.Product Dimension(mm):8*30 3.Hole:3 4.The grade of aluminum:3003 5.The use of product:mainly use of the part of aluminum tube radiator 6.The advantage of product: high-strength, corrosion resistance, Aseismic, Good thermal performance, especially for large radiator. Specification 1. Width:8~99mm 2. Height: 2~10mm 3. Wall Thickness:0.35mm~4.00mm 4. Hole:1~33