4 Layer Cell phone PCB, pcb manufacturers in shenzhen, pcba shenzhen
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PCB Detail:

Board thickness: 1.2mm
Material: Kingboard FR4 A class
Layer account: 4
Min. Hole: 0.25mm
Min. line/space: 0.127mm/0.127mm
Differential impedance: 50ohm/80ohm/110ohm
Surface treatment: HASL-Lead free
Place of Original: Shenzhen China