1, the whole board full gold process, the cost is much higher than the spray tin plate!
2, the whole board after optical short circuit, open circuit detection.
3, heating table and aluminum substrate into one, better temperature stability.
4, the new circuit, power supply power stability.
There are 10 options for the link. Please purchase according to the size you need.
We will send it according to the option you choose.
If you have any questions, please contact customer service before purchasing.