Kufotokozera Mwachidule Chikhalidwe & Mtengo Mbiri Satifiketi Utumiki 1997 DCNE kukhazikitsa;Kuchita nawo R&D ndikupanga kamera ya KsD, nickel-cadmium battery walkie-talkie charger; 2000 Kukulitsateknoloji ya pulse;kuyamba kulowadera lankhondo; 2004 Gwirizanani ndiBungwe la American Environmental Protection Organisation, kusaina mgwirizano wanthawi yayitali; 2007 2 kupanga dzikoma patent;9ma patent amtundu wa utility model;2sayansi ndi zamakonokulembetsa bwino;5dziko mapulogalamu kukoperandi zina.. 2008 Mtsogoleri wa Chigawokuchezera ndi ulemuChithunzi cha DCNE; 2010 Phatikizani ukadaulo wa pulse;IP67 muyezozoyikidwa mu ma charger; 2013 Pezani ulemu wa "National High-Tech Enterprise"; 2015 Internalization Technology, kufupikitsa kupyola theka la nthawi pakulipiritsa;Kusintha kwamakampani opanga mabatire; 2018 Yambani kugwirizana ndikampani yamagalimoto othamanga kwambiri, perekani ma charger anzeru omwe amasinthasintha pafupipafupi. 2019 Boma la ChinakuitanaChithunzi cha DCNEmonga makampani apamwamba kwambiri kuti apite nawoChiwonetsero cha dziko la Singapore; 2020 Yambani kugwirizana ndikampani ya batri yapadziko lonse lapansimwalamulo kutsegula ntchito yatsopano;