... Professional Manufacturer of PCB; ROHS certificate; PCB copy,design,assembly,testing,one stop service; Professional Manufacturer of PCB1. Board: FR4, CEM3 ... , CEM1 2. Surface finishing: HASL, Lead-free HASL, Immersion Gold, OSP, Edge connector, ... finished hole size: 0.2mm 6. Output: 30, 000m2 PCB per month 7. Certificate: UL, ROHS, ISO9001 8. Advantage ...