1.Wintouch 2.Resistance touch screen 3.We have 4wire,5wire ... .5",19",22"2:IR touch panelmeritsdust-proof,water-proof,high transmittance,input flexible,long life,scratch- ... ",42",46",52"3:SAW touch panelmeritsdust-proof,water-proof,high transmittance,input flexible,long life,easy ... 30",32",42"4:surface capacitive touch panelmeritsdust-proof,water-proof,high transmittance,input flexible, long life,scratch- ...