2021-05-18 1063
The light-emitting principle of incandescent lamp is that electric energy heates the luminous tungsten filament and emits light. After a long time of heating, the tungsten filament will be aged or eve
2021-05-18 932
I. New ClothesThe 220V AC power supply of municipal electric power is separately connected to the foot of both ends of the LED lamp tube after switching.II. RefittingModification means that the lamp w
2021-05-18 988
The advantages of energy-saving, long life, environmental protection and non-radiation of LED lamps make more and more people choose LED products when they buy lamps, and the application of LED lamps