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Grandtop Business Lines
1) PCB Assembly
2) Printed circuit,
3) printed circuit boards,
4) pcb printed circuit board
5) PCB Design

Why US?
High End, Quick Turn PCBs & Assembly
Prompt & professional Service
Fast delivery
OEM & LOW-VOLUME ORDER ACCEPTABLE
Quality assured
Strong ability

Grandtop PCB Capabilities:
1) Layers: 2-18 layers
2) Max. Board Size:460*400MM
3) Min. Board Thickness: 2-layer 0.15mm
4-layer 0.38 mm
6-layer 0.55 mm
8-layer 0.8mm
10-layer 1.0mm
4) Min. Line Width/Space: 0.075mm (3.mil)
5) Max. Copper thickness: 6OZ
6) Min. S/M Pitch: 0.075(3mil)
7) Min. Hole size: 0.1mm (4mil)
8) Hole dia. Tolerance (PTH): -+0.05mm (2mil)
9) Hole dia. Tolerance (NPTH): +0/-0.05mm (2minl)
10) Hole position deviation: -+ 0.05mm (0.2mil)
11) Outline tolerance: -+0.10mm (4mil)