Group Gökkuşağı, which accelerates store openings with DerinSİS, gets ahead of its competitors, especially by managing all steps of the ordering system with software.Grup Gökkuşağı, which is in a serious growth phase by opening new stores, has implemented the ordering system in line with company rules, as one of the local markets that adopted the use of wireless handheld terminals at the earliest.(Chassis system IBM Genius 2) Moving forward with Derin Bilgi in the e-invoice system, Grup Gökkuşağı benefits from DerinSİS's innovative opportunities specific to e-invoice with the direct integration method.With the intense work we did together, the automatic creation of invoices with a robot user, which we call Phase II, was successfully implemented.In addition, in terms of official accounting, DerinSİS is progressing with our e-Ledger solution in the e-Transformation process.  With our Hal-Register solution, imprint production and labeling steps are carried out integratedly within DerinSİS.