I haven’t used JLC PCB before, the fab seems just began the international market in 2017.
I prefer to use Seeed Studio prototype PCB service for they have more than 10 years' manufacturing experience. I've tried their service three times, all is well.
I prefer to use Seeed Studio prototype PCB service for they have more than 10 years' manufacturing experience. I've tried their service three times, all is well.