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Home > Markets > International Trade Mart (District 2)> 3 F > Kitchen & Sanitary Hardware> Weifei Electronic Technology Co., Ltd 中文

led bulb candle bulb birthday led bulb craft decoration lamps

  • EXW Price: Min. order:
    CN¥ 130.0
    ≥ 100 piece
    CN¥ 126.0
    ≥ 501 piece
    CN¥ 120.0
    ≥ 3001 piece
    • 100 piece
  • Item No. A-60
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Weifei Electronic Technology Co., Ltd 6yr.

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Mobile:86-18413391381

E-mail:471843893@qq.com

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  • Description

   product introduction  

    electric lamp di à ndēng [electric lamp;electric light] light using electricity as light energy

 

    (electric lamp), the exact technical name isincandescent lamp(incandescent light bulb). manuallight sourceone of them.
     it is a current handlefilamentheating to incandescent state is used to alight.electric bulbthe shell is made of glass, keeping the filament in vacuum or low pressureinert gasnext, the function is to prevent the filament from being oxidized at high temperature. only 7% ~ 8% of its electric energy turns into visible light, more than 90% of its electric energy turns into heat, and incandescent lamp of its luminous efficiency is very low. however, it is the pioneer in the electric light world. modern incandescent lamp generally have a life span of about 1000 hours. the electric lamp is made according to the principle that electricity generates heat. today's bulbs are generally usedtungsten wiremake filament.

Update time：20210527162544


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