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  • 23


    Increase urban lighting qualification

    Congratulations on the successful application of the company in October 2019: Grade III qualification for urban and lighting engineering professional contracting. Wish the company a prosperous development!

  • 29


    What methods should be paid attention to after power installation

    1. Details of electricity test methods It is not necessary to contact the live conductor directly for testing the electroscope. Generally, the clear luminous voltage of the electroscope is not more than 25% of the rated voltage.

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  • 29


    How to check the failure of power equipment

    The so-called intuitive inspection is based on the external performance of high and low voltage distribution equipment fault. Langyi power installation company introduces the steps and methods of fault inspection for you.