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  • Why adopt non-isolated driver for UFO high bay?
    An isolated driver is that the driver is electrically isolated from the rest of the circuit which is power on. This means there is a transformer, which make power is transferred from the input end to the output end without a direct electrical connection between primary and secondary coils. While, for a non-isolated driver, AC end 110V or 220V is connected directly to the electronic circuits, that is to say input and output end is connected directly through the electronic components without transformer, but it doesn't mean it's not a safe product.
    2020-07-07
  • EVOLUTION OF AREA LIGHT
    EVOLUTION OF AREA LIGHT
    Area light was called shoe box light because of the heavy and rugged appearance. We can see the evolution of the area light from this image. Nowadays, it become more and more compact as the technology on heat dissipation is improved every day.
    2020-07-01
  • LongSun New Auto Sealing Machine
    LongSun New Auto Sealing Machine
    We are pleased to inform that LongSun factory have purchased a new automatic sealing machine to instead manual operation.
    2020-06-25
  • Area Light Distribution Types
    Area Light Distribution Types
    There are a lot of important factors to look at when choosing the right LED light fixture. Lumens per watt, fixture type, driver performance, color temperatures are all super important. But how about light distribution?
    2020-06-24
  • LONG SUN Successfully Completed the ISO Internal Audit Management Review in 2020
    LONG SUN Successfully Completed the ISO Internal Audit Management Review in 2020
    In order to ensure the continuous, appropriate and effective operation of the company's quality management system, LONG SUN successfully completed the ISO9001:2015 internal audit of this year from 22th to 23th June as planned.
    2020-06-24
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