... ,luster Tungsten filament(lamp filament) made by qualifed tungsten wire, are widely used in ultraviolet lamp(VM Lamp),general incandescent lamp, energy-saving lamp, fluorescent lamp, auto lamp, halogen lamp and ... ,coiled coil,triple coil,and non-standard filaments.Specification:1) Double coil: 110V-250V2) Triple coil: 110V-250V3) Main-supplementary coil ...