For high-voltage vacuum circuit breakers that are regularly overhauled, there are the following aspects: The ones that need to be overhauled per every six months are: 1) Check the appearance of th...
Dear friends, Please well note, due to Qingming Festival, we will have three days holiday, from April 3rd~5th, 2022. We will return to work on April 6th (Wednesday). During the holiday, please pay...