... service; 5.UL,SGS,R We can manufacture PCB in higher quality, more competitive price, quicker delivery and ... better logistic service…Welcome to send us RFQ! This form is of my company ... )Pad Tolerance±0.1mm(dia.≥0.6mm)Pad to hole/to pad Tolerance±0.05mm/±0.2mm Solder Mask ... %(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! 1L PCB for drilling machine