1.1L PCB for drilling machine; 2.good quality,reasonable price; 3.quicker ... form is of my company's process capacity for your reference, for more messages, pls contact with us freely ... on both side Solder Mask Thickness0.7mil,raised H≤0.05Colour green,blue,red,yellow,black,white ... pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! 1L PCB for drilling machine