Hangzhou Galaxy, the fastest growing high intensity discharge lighting company in China, is dedicated to develop energy-saving solutions and new concepts for HID lighting applications. Combining the talents and experience of power electronics and embedded-microprocessor engineers with deep understanding of HID lamp technology, Hangzhou Galaxy offers a wide range of electronic Ballasts for HID lamps: Metal Halide and High Pressure Sodium (HPS) , in power ratings from 100 to 1000 Watts, and various series of 110V / 230V / 277V and DC, etc. Driven by a commitment to excellence, Hangzhou Galaxy strives for the most innovative technology for standard and custom-designed solutions. Hangzhou galaxy offers you all these benefitsSIGNIFICANTLY INCREASED LUMEN MAINTENANCEVASTLY IMPROVED LAMP LIFESUPERIOR LIGHT QUALITYEXCEPTIONAL ENERGY SAVINGSDIMMINGDAYLIGHT HARVESTINGECONOMY MODEHIGH EFFICIENCYSOFTSTARTNO START UP CURRENTCONTROLLABILITYSIMPLE INSTALLATION WITH REDUCED COSTSREDUCED MAINTENANCEBUILT-IN DIAGNOSTICSHIGH RELIABILITY