China pcb factory industrial control fr4 pcb suppliers
Product Specification:
| Base Material: | FR4 TG170 |
| PCB Thickness: | 1.6+/-10%mm |
| Layer Count: | 4L |
| Copper Thickness: | 3/3OZ |
| Surface treatment: | ENIG |
| Solder mask: | Green |
| Silkscreen: | White |
| Special process : | Thick copper |
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