INTRODUCTION: Specifications Copper shot for surface treatment 1)Size: 0.5-3.5mm 2)Tensile Intensity: 200~500Mpa 3)Long time used 4)packing:25kg/bag,40bags/pallet/sack Sell good copper shot 1.biggest copper shot manufacture in China 2.Durability:5000 times 3.CE/ISO9001 certificate