... rectangle induction lamp with high lumen efficiency, high lumen maintenance, long lifespan, and excellent CRI2. 80-200W electronic ballast with ... profiled aluminum case, high power factor (>0.96), low energy loss, and long lifespan YML products YML-ZD series induction lamp ... YML has over 50 patents registered on Electrodeless Induction Lamp Products. YML also obtained the title of Shanghai ...