In general, depending on an evaluation of PCB sizes, layers, and manufacturing abilities, we offer a small to mid PCB production. For a 2-layer PCB inquiry, we can accept every shipping within 100m2 and with an approximate 45*60cm*370 for calculation. In terms of high-end PCB boards with an average of 30m2, we will accept them of 45*60cm*110 for calculation. If your order exceed to the maximum quantity, we may provide a partial shipment as separate batch or we receive your instructions upon further negotiations. We recommend you send us all the related files to sales@jetpcb.com. We will respond to your inquiry upon escalation from our sales representatives. Thank you.