| 1. | From light emitting components ( light emitting diode ? led , led display , infrared emitting diode ) , light receiving components ( photo transistor , photo conductive cell ? cds , infrared receiver module ) , to different sensing devices , we can offer perfect and complete products
由发光元件（发光二极管，发光显示器，红外线发光二极管） ，感光元件（光敏晶体管，光敏电阻，红外线接收组件） ，以致到不同功能的感应元件，均有完善及齐备的产品提供。 |
