What file do you need to prepare if you want to get an quotation from us?
For PCB board, you need to prepare files of Gerber file,it should including RS274X,ODB++, DXF, PCB, PCBDOC etc formats.
For PCBA(PCB with soldered components), except the file for PCB, you also need to prepare the BOM list (components list), Pick and Place file(txt format), real sample picture or 3D PDF version file etc.
For PCB layout, you need to provide PCB schematic diagram and PCB outline drawing.
For PCB design, you need to express your idea, and we will discuss whether we can realize your idea.