... resistance4-150ohm wire layer1,2, 3,4,6,8,10,12 layer, etc wire materialPE,EI,CCAW,CCAW-HTW,PECCAW,EZCCAW,EZCCAW ... our best to meet your needs,and our factory: 1 12 years of production experience2 Customers have Panasonic,SONY,YAMAMA, Pioneer ... Rohs Authentication. We have engaged in loudspeaker part producing for 12 years and we have established business with Panasonic,Sony,Pineer ...