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  • 05-08
    2 Natiional Standards made by YASHIPS LIGHTING released

    GB 20053-2015 Limit value of energy efficiency and energy efficiency grade of Metal Halide Lamp Ballast was released on 2015.12.10. It will bring into effect on 2017.1.1, and will replace GB 20053-2006.This standard is charged by National Standardization Management CommitteeThis standard belongs to Read More »