*For Gerber files, this choice is useless.It will be made according to files as default.
Castellated holes,Edge Plating,impedance control, buried/blind vias...
Attention please! If you don't note not to add pcb order number on board, we will add it on board by default!
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If you enter in units of inches and press the [Convert] button, it will be converted into units of millimeters in the quotation form.