OSP board COB board Carbon conductive board Technology information Electroless Ni/Au, ENIG Double-side board Electrolytic Ni/Au SAC HASL
Carbon conductive board
var ii=0 demo9.innerHTML=demo7.innerHTML function Marquee(){ if (ii==1)return if(demo9.offsetWidth-demo8.scrollLeft<=0) demo8.scrollLeft-=demo7.offsetWidth else{ demo8.scrollLeft++ } } setInterval(Marquee,20)