Tungsten filament can be used in energy-saving lamp, it is uniformity in pitch,shape,color, ... are widely used in general incandescent lamp, energy-saving lamp, fluorescent lamp, auto lamp, halogen lamp and other special lamp.Based on advanced equipments and technology ... Uniformity in pitch, shape, color, luster and piece weight2) High lighting efficiency3) Long life4) Quick start-upOur advantages:1) ...