1.2L PCB; 2.good quality,reasonable price; 3.quicker delivery; 4.better ... both side Solder Mask Thickness0.7mil,raised H≤0.05Colour green,blue,red,yellow,black,white(LPI/MATT.,UL 94 V0 ... 3-7um,gold:0.5-0.7umOSP/flash gold 0.2-0.5umPealable maskcover all on pad,thickness≥0.20mmCarbon ... 1mm E-testing pass percent97% pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit ...