Alloy Steel, Hard Steel, Cutting Tool manufacturer / supplier in China, offering 4"-14" Carpenter Saw Disc Tct Carbide Circular Saw Blade for Wood Metal Alumnium Cutting, 3.5mm 4.2mm Black Phosphated Bugle Head Philip Drive Drywall Screws with Fine /Coarse Thread, 1"1.5"2" 2.5" 3" 4" Galvanized / Black Coated Concrete Nails for Building and Construction and so on.