We produce fr4 pcb sample with high quality. To finish the pcb samples.we need to check the gerber files.
how many layers with your product? 1 or 2 layer pcb only need 1 or 2 days. 4 layer to 8 layer pcb sample only need 3 or 4 days. 10 layer to 18 layer pcb samples will cost about 5 days to 7 days lead time. you can send your pcb gerber file. our engineer will help to check it. and give you some suggesting.