... Quiet, Maintenance-free, Environmental-friendlyAlternative charge: by Solar Power / ACELectrical data ModelRI-20KW-GRIDFunctionCommercial, Home, Small ... selling LED lighting products and solar power system products, wind power system product, solar &wind hybrid system(on grid and ... warehouse3.Shopping mall,venue,stadium and so on4.Power station,field operation and some huge engineer constructionGood ...