Tungsten Filament(lamp filament)can be used in auto Lamp,is uniformity in pitch,shape,color,luster and piece weight,long ... They are widely used in incandescent lamp, energy-saving lamp, auto lamp, halogen lamp,GLS lamp and other special lamp. Specifications ... ) Uniformity in pitch, shape, color, luster and piece weight;2) High lighting efficiency3) Long life4) Quick start-upOur advantages:1) Complete ...