Regardless from what kind of panel is assembled in our workshop/office area:

Low voltage motor control center (MCC) 
PLC Panels 
Project specific panel 

All panels are assembled with care, tested and Checked before shipment to site.
Testing procedure includes full functional test of all installed equipment (all tests that can be executed in the
workshop: power on, wiring, I/O test...) Marking and labeling of equipment according to design is executed as the standard.