1. PCB design rules must meet the minimum design parameters
2. Parts ID must be clear and closed to the corresponding part ( Text R2, R3 are closed to the corresponding resistor)
3. Components or connectors with polarity must have polarity marks
4. The package of components on PCB must be the same as that in BOM
5. PCB Gerber files exporting should be in RS-274X format and contain the following file:
6. Special components, please leave a message to us
7. If you have components not need to soldered, leave a message to us.