... ISO9000 Alloy Types: FeCrAl,NiCr,CuNi. Flat Heating Wire:We are the greatest professional manufacturers ... (Constantan Alloys) In the form of round wire, ribbon/strip:Round Wire: Dia 0.04mm-8.0mmRibbon/strip: ... CuNi10,CuNi14,CuNi19,CuNi23,CuNi30,CuNi44,Manganin.4) High quality assured:Our works has a ... , rolling, drawing and heat treatment up to finished products, together with the chemical analysis ...