E2M ni mtoa ya bidhaa na huduma kama vile calibration huduma, umeme,calibration huduma, electromechanical,calibration huduma, umeme,calibration huduma, nguvu, athari na moment,calibration huduma, shinikizo,calibration huduma, macho,calibration huduma, joto na unyevunyevu,calibration huduma kwa viwango vya kitaifa,calibration huduma kwa ajili ya vyombo vya umeme,calibration huduma, hali ya hewa vyombo,calibration huduma kwa mizani au mizani,gari tachograph ufungaji na vituo calibration,calibration washauri,usahihi kupima vyombo.