... circuit board,supplier,10years experience. pcba, electronic component,circuit board,pcb supplierOur product developed most recently is lower priced than the competition ,good quality and ... 3) Material: FR-4, CEM-1,CEM-3, High TG, FR4 Halogen Free,FR-1,FR-24) Max. finished board size: 1500mmx500mm ... tolerance: PTH: ±0.076 NPTH: ±0.0512) Certificate: UL, ISO 9001, ISO 14000,SGS , RoHS, CQC13) Profiling: ...