Professional Manufacturer of PCB; ROHS certificate; PCB copy,design,assembly,testing,one stop ... CEM3, CEM1 2. Surface finishing: HASL, Lead-free HASL, Immersion Gold, OSP, Edge connector, etc. 3. Products range: ... PCBs from 1-10 layers 4. Min. line width/line space: 4mils/ ... finished hole size: 0.2mm 6. Output: 30, 000m2 PCB per month 7. Certificate: UL, ROHS, ISO9001 8. ...