Gelonghui May 20 丨 State Grid Yingda (600517freejokerpokerslots.SH) said on the investor interaction platformfreejokerpokerslotsThe company's lightning protection products are widely used in lightning monitoring, early warning and intelligent operation and maintenance services in national economy-related industries such as electricity, railways, petroleum and petrochemical, new energy stations, communications, and insurance claims.freejokerpokerslots, suitable for application scenarios requiring multiple monitoring methods such as areas around high-incidence lightning transmission lines, a lightning monitoring network with the widest coverage and internationally leading technical indicators has been built. There is currently no low-altitude lightning protection plan.