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      Global Test Service
      One-stop service, global certification
      Service
      Current location: Home ? Service ? industry sector ? Lighting product testing
      SERVICE TYPE
      Lighting product testing
      The luminaire refers to a device that can transmit light, distribute and change the light distribution of the light source, and enables the light source to reliably emit light so as to meet the demand for light when human beings engage in various activiti
      2020国产在线视频

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