... 3.High performance 4.Longer life-span: 30% longer Premium asphalt saw blade by laser weldingFeature:Longer Life-Span: AkyD Diamond ... USA, Australia, Canada, Euro and Mid-East etc.Application: Granite, Asphalt Marble, Reinforced Concrete, Concrete, Brick, Block, Stone and other Abrasive ... .xiamenkaiyuan.comPhone Number: 86- 592- 5068656Fax: 86 -592 -5068657 Premium asphalt saw blade by laser welding