1.For BOM
Please fill in designators(references),
quantity, package and part numbers. For
resistors or capacitors, if there is no part
number, then value and package information is
needed. It’s also better list components as PTH
or SMD. We do not accept BOM files in pdf
because it's not convenient for us to do
component-sourcing and is also not easy to avoid
mistakes in file conversion. Check our example
BOM for reference. Walton Bom template file BOM
Template file
2.For assembly orders
Please add polarity cathode or anode mark and
pin 1 in silkscreen layer. If you do not want
this information to be printed on the board,
please send an individual assembly drawing file
including those information to us. For cathode
or anode, check the picture for reference, if
use one line or one dot, we may get confused
since sometimes it can be either cathode or
anode. For pin 1, it’s ok to use dot. It will be
great if you have 3D images including into the
Gerber file or send to us
3.Pick&place/centroid file
We need completed pick&place file/centroid file
including all the designators/references same as
the ones in BOM, THT designators can be
excluded. And designators in pick&place file
should match the designators in silkscreen layer
or assembly drawing file.