Common problems of PCB circuit board production

01. What is the minimum line width and line spacing for PCB circuit board production?

Answer: 3/3mil.

02. What is the maximum number of layers for circuit board production?

Answer: 28 floors.

03. What is the minimum pore diameter of the outer layer/inner layer?

Answer: 0.10 mm.

04. What is the highest copper thickness for circuit board production?

Answer: The model is 8OZ and the batch is 5OZ.

05. What is your PCB inspection standard?

Answer: IPC-A-600 level standard

06. Does the PCB comply with the RoHS standard?

Answer: Yes.

07. What is the size limit for PCB circuit board production?

Answer: The maximum circuit board size is 580mm x 800mm.

08. Is there a minimum order quantity for PCB orders?

Answer: We do not have a minimum order quantity for PCB.

09. Can I increase the number of orders after the order is placed?

Answer: Yes.

10. Can I provide VAT invoices for orders?

Answer: Yes.

11. Do you provide free samples?

Answer: After the repurchase order reaches a certain quantity, the proofing fee can be refunded.

12. What express delivery options are available?

Answer: SF Express, Leapfrog and the 4 major domestic express companies.

13. How can I send you PCB files?

Answer: Get in touch with us through the contact information on the Contact Us page.

14. What are the payment methods?

Answer: For public transfer, corporate Alipay payment, and other negotiated payment methods.

15. How do I order and get a quote?

Answer: You can consult and get a quotation via telephone, QQ, email, or online chat.

16. What documents do you need? Do you accept files in PCB format?

Answer: We accept Gerber and PCB files.

17. When will I receive the goods?

Answer: If you send by SF Express or across express, PCB express delivery takes 1-2 days, and other express delivery takes 2-4 days.

18. I just placed two orders, can I ship them together?

Answer: Yes, please provide the order contract number to the relevant personnel of our company. Our company will recalculate the freight based on the weight of the goods.

19. Is it possible to produce flexible PCBs, flexible and rigid PCBs?

Answer: Yes, please send us the Gerber file together with the complete specification of your requirements, and we will arrange a quotation.

20. I want to place a bulk order, but I need to check your quality first, can I?

Answer: Yes, you can make a sample first, conduct a quality inspection, and then tell us whether you want to continue mass production.

21. What are the working hours?

Answer: The working hours are as follows (China time zone): Monday to Saturday from 9:00 am to 18:30 pm, except for statutory holidays (if you have special needs, please feel free to contact).

22. I ordered 300 PCBs, can I ship 150 PCBs first?

Answer: Of course, we can ship any quantity of PCB you need, and additional shipping will be charged for partial shipment.

23. What if there is a problem with the PCB board? Do you provide rework?

Answer: Please send the high-resolution image of your circuit board to our staff for evaluation. Once we confirm that the problem is caused by us, we will take the responsibility and repair your PCB product. If the problem is not caused by us, our company can provide rework services and charge a reasonable rework fee.

24. What is the estimated lead time for PCB?

Answer: The delivery time of bulk PCB depends on the number of production layers and the order area. The delivery time of proofing PCB is 1-3 working days. When choosing different delivery cycles, PCB prices will be different.

25. I need to know if you have the ability to produce my circuit board, can you review the PCB file first?

Answer: We have the ability to produce many kinds of circuit boards. Please check the PCB process capability form on our official website first, or consult our staff. If our company has any questions during the process of reviewing PCB files, we will contact you in time.

26. How about the production capacity of PCB circuit board?

Answer: We can manufacture many kinds of PCBs for customers. If you find that your PCB has special requirements, or you are not sure whether our company is capable of producing, please contact us and attach your Gerber file and all other documents for us to evaluate whether it can be produced

27. How to calculate the delivery date of an order?

Answer: The delivery time is calculated from the next working day after receipt of payment and confirmation documents. It does not include weekends, statutory holidays and transportation time. Therefore, orders on Sundays and public holidays will be calculated on the next working day (except for urgent orders).

28. I need to change the PCB file of the order, what should I do?

Answer: If the order has not been confirmed, you can change the file for free. After the order is confirmed and production is arranged, changing the PCB file may cause the online PCB product to be scrapped. Our company will charge a certain scrap cost according to the situation. Please also send the updated PCB file and order number to our staff.

29. Can the PCB be produced urgently?

Answer: Yes, if you have an urgent request, we can shorten the delivery time and charge an appropriate amount of expedited fees. For conventional single-layer and double-layer PCBs, the shortest lead time is 1 day. For conventional multilayer PCBs, the shortest lead time is 2-3 days. For details, please consult our customer service staff.

30. I sent the PCB manufacturing file a few days ago, but did not receive any email, what should I do?

Answer: If your documents do not require any confirmation, then you will receive an email about the delivery date and quotation within two hours of normal working hours.