... .3, Company image3.1, Sunyear is a high-tech company specializing in this field for over ten years and ... AIS (Artificial Intelligence System) intelligent controllers and Sunyear Power Intelligent Diesel Driven Equipments.3.3, Wide range of ... water preheater, automatic voltage regulator, generator synchronizer, genset controller, power factor regulator, fuel solenoid, charger for engine start battery, ...