... is of my company's process capacity for your reference, for more messages, pls contact with us freely ... tin on pad Pad Open reject soldermask inside the hole on both side Solder Mask Thickness0.7mil,raised ... ,white(LPI/MATT.,UL 94 V0 approved) Surface Finish HALtin height≤0.05mmENIGNickel 3-7um,gold ... 2mmPunch±0.1mm E-testing pass percent97% pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS ...