Kuyambira 2008, YIY yadzipereka ku kafukufuku, chitukuko, ndi kupanga ma inverters. Tili ndi luso la R&D ndi kupanga, zomwe zimatilola kupanga ma hybrid inverters, ma inverter apamwamba kwambiri, ma inverter otsika kwambiri, makina osinthira mphamvu, zowongolera dzuwa za MPPT, ndi ma charger a AC. Timaperekanso ntchito za OEM/ODM.