... ) Finish: HASL Printed Circuit Board (PCB) Manufacturing Capabilities MaterialConstruction TechnologySingle-sided PCB,Double-sided PCB,Multi-Layer PCB Material Type94VO,FR-4,CEM-1 ... .10 )UL Certification (No.: E311130 )Professional PCB & PCBA Manufacturer since 1996One-Stop Service = Components + PCB + PCB AssemblyHigh Quality + Competitive Pricing + Expedited DeliveryAll project ...