lead free pcb 1. One-stop pcba service 2. Fast ... Reply Email in 4 hours 4. UL,SGS,ROHS lead free pcbPCB&PCBA manufacturer: We can offer 1 to 12 Layer ... -4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,3Board thickness0.2mm-7mm4Max panel size630mm*520mm5Min.drilled hole ... )7min.line spaceing0.075mm(3mil)8Surface finish/treatmentHALS/HALS lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion Silver/Gold, ...