Double layer PCB1

1. Double layer Meter PCB, FR4 Shengyi Material 1.6mm 
2. Green soldermask, White silkscreen
3. HASL leadfree Finish
4. Mini hole: 0.25mm
5. Mini Width and trace: 5MIL 
6. Prototype and mass production both
7. E-test for mass production
and probeflying test for sample prototype orders.