1:constantan wire includes CuNI44, CuNi40, CuNI30, CuNI23, CuNI10, CuNi2, CuNi1 and so on 2:size:0.02mm-10.0mm 3:ROHS, ISO9001 1:constantan wire includes CuNI44, CuNi40, CuNI30, CuNI23, CuNI10, CuNi2, CuNi1 and so on2:size:0.02mm-10.0mm3:ROHS, ISO9001 constantan wire