constantan wire include:CuNi44, CuNi40, CuNi30, CuNi23, CuNi10, CuNi6 , CuNi2, CuNi1 size;0-swg44 certificate:ISO9001, ROHS constantan wire include:CuNi44, CuNi40, CuNi30, CuNi23, CuNi10, CuNi6 , CuNi2, CuNi1size;0-swg44certificate:ISO9001, ROHS, Reachpacking:carton or spoolMOQ:50KG constantan wire