1.scrap tungsten carbide,including carbide end milling cutter,slot milling cutter,ball milling cutter,cemented carbide,PCB drill bit,tungsten bars,drawing dies,high content alloy,anvil,non-magnetic alloy and so on.2.scrap tungsten powder,like grinding ash,tungsten mud(sludge),polish gray,polished mud(from grinding wheel),tungsten alloy grinding scrap,cemented carbide grinding scrap and so on. The wolfram content must>13%,chrome