ओकाया जापानी तकनीक की बत्ट्रीयाँ inverters, UPS Systems, Online UPS Systems, Computer back-up, Educational Institutions, Laboratories, Cyber Centers, STD Booths, EPBAX, Hospitals & Medical Equipments, Switchgear Operations in substations, Solar & Wind Power का सबसे बेहतर हल हैं|