Isixhobo sovavanyo lwe-Chengyuli CO., Ltd., uMyili oGqibeleleyo kunye noMvelisi weZixhobo zovavanyo lwezinto ezibonakalayo, wamiselwa ngo-2001.Wongyu uneZiko le-R & D kwi-chandao, iPhondo laseShandong, China ngendlela efanelekileyo. Siyingcali yokubonelela ngezixhobo zokuvavanya ubuchule bamaziko ovavanyo olusemgangathweni, ubunjineli baseburhulumenteni, amaziko e-geotsical, amaziko e-geochnical, abathengisi, iinjineli kunye nabacebisi njl .Ukulinganisa amandla empahla kunye nokusebenza kwemveliso.