We are sincerely responsible for the “product quality” and “After Service”.


Q1. What file do you need to prepare if you want to get a quotation from us?

For the PCB board, you need to prepare files of Gerber files, which should include 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.


Q2. Do you have MOQ limit?

We are able to handle Small as well as large volume production with flexibility. We don’t have any MOQ limited, the minimum order we accept is 1pcs.

Generally, the more quantity produced, the lower the unit price and the longer the delivery time.


Q3. How to keep our product information and design files secret?

A: Your files are held in complete safety and security. we protect the intellectual property of our customers in the whole process. all documents from customers are never shared with any third parties.

B: We are willing to sign an NDA effect by customer side local law and promise to keep customers’ data in high confidential level.


Q4. How long is the delivery time?

For the standard PCB samples, the production time is 1-7 days, the production time for small batches is 7-10 days, and the production time for large orders is 12-25 days.

For the production of non-standard PCB and PCBA, please refer to the documents and production requirements sales@opcba.com We will get back to you soon.


Q5. What are the main products of your PCB / PCBA services?

Industrial control, Automotive, Medical Equipment, Communication Electronics, Aviation, LED…


Q6. How long does it take for PCB and PCBA Quote?

PCB quotation within 0.5-2 hours can finish the PCBA depending on the components

quantity, if simple, within 6 hours can finished, once complex and more, the 12- 36 hours

can be finished.


Please note that the following details will speed up the evaluation:


Board thickness:

Copper thickness:

Surface finish:

Solder mask color:

Silkscreen color:


Q7. Shipping cost?

Usually, we offer EXW, FCA, FOB, CIF, and DDU terms, and the default term on the quotation is FOB Shenzhen if no special requirement is provided. Kindly please mention the terms when you have any requirements.

We worked with courier companies including DHL, FedEx, UPS, TNT, and EMS, airline and sea shipping was also optional.

The shipping cost is determined by the destination, weight, and packing size of the goods. Please let us know if you need us to quote you the shipping cost.


Q8. Do you accept process materials supplied by clients?

Yes, we can provide component sources, and we also accept components from clients.


Please send your spec. or Gerber files so that we are able to provide a quotation ASAP.

Looking forward to your inquiry!  E-mail: sales@opcba.com