GB: GB ndichidule cha Chinese Pinyin cha "National Standard", zomwe zikutanthauza mulingo wa dziko la People's Republic of China.

ISO: Chidule cha Chingerezi cha International Organisation for Standardization. Dzinalo lonse ndi International Organisation for Standardization kapena International Standard Organized

IEC: ndichidule cha International Electro technical Commission (International Electro technical Commission). Alinso bungwe lapadziko lonse lapansi lomwe si la boma komanso bungwe lofunsira anzawo ku Gulu A la United Nations Social and Economic Council. Idakhazikitsidwa mwalamulo mu 1906 ndipo ndi bungwe loyambirira padziko lonse lapansi lodziwika bwino padziko lonse lapansi.

IEEE: Institute of Electrical and Electronics Engineers (IEEE) Institute of Electrical and Electronics Injiniya (IEEE) ndi bungwe lapadziko lonse lapansi laukadaulo wamagetsi ndi akatswiri a sayansi yazidziwitso. GB ndiye chidule cha pinyin chaku China chadziko lonse. Mfundo zaku China.

IEC: Ndi chidule cha International Electrotechnical Commission. Mulingo woyenerana ndi womwe umakhazikitsidwa ndi International Organisation for Standardization, yomwe makamaka ndiyo mayiko omwe amamvetsetsa zamagetsi.

ISO ndi chidule cha International Organisation for Standardization, ndipo muyeso wofananira ukuwonetsedwa ndi nambala ya ISO +, yomwe ndi yayikulu kuposa kuchuluka kwa IEC. IEEE ndichidule cha Institute of Electrical and Electronics Injiniya, ndipo miyezo yake imakhudza magawo amlengalenga, makompyuta, ma telecommunication, biomedicine, mphamvu, ndi zamagetsi ogula.