1.Emission Control Systems PCB 2.good quality,reasonable price; 3.quicker delivery; 4. ... /depth±0.2mm(length≤100mm)/±0.2mmPunch±0.1mm E-testing pass percent97% pass for the first time,+/-2%(tolerance) Certificate ... SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! Emission Control Systems PCB