Yangzhou City Kefa Electric Co., Ltd. ne wani sana'a kamfanin da aka fuskantar da wutar lantarki kamfanin, shiga a cikin wutar lantarki gwaji kayan aiki da kayan aiki bincike, masana'antu, tallace-tallace da sabis, kayayyakin iri-iri da yawa, cikakken bayanai, fasaha ci gaba. Kamfanin ya wuce ISO-9000 jerin ingancin tsarin takardar shaidar. An kafa hanyar sadarwar tallace-tallace da kyakkyawan hanyar sadarwar bayan tallace-tallace a larduna, birane da gundumomi sama da ashirin a cikin kasar, kayayyakin suna ba da sabis ga manyan hukumomin wutar lantarki, tashoshin wutar lantarki da manyan kamfanoni da yawa a cikin gida. Kamfanin ya sadaukar da shi ga ci gaba da ci gaban sabbin fasahohi da sabbin kayayyaki, kuma ya kafa dogon lokaci na bincike hadin gwiwa tare da sanannun jami'o'in kasar Sin da Jami'ar Kimiyya da Fasaha da Xian Electronics University. Kamfanin babban kayayyakin: ZKY-2000, ZKY-6 injin darajar gwaji, BZ-10, BZ-30 mai canzawa DC juriya gwaji, BBC-20 mai canzawa daidaitawa rukuni gwaji, YBL-30 zinc oxide walƙiya daukar gwaji, GKC-D canzawa gwaji, JSY-03 kafofin watsa labarai asarar gwaji, HCJ-9201 rufi mai dielectric ƙarfin gwaji, ST-300A kebul gazawar gwaji, HLY zagaye juriya gwaji, TCD-9302 gida watsa gwaji, KF-2003 jerin mita canzawa jerin resonance gwaji na'urar, YDQ jerin gwaji mai canzawa, ZGF-2000 jerin DC babban ƙarfin lantarki janareta, SLQ-82 jerin lifter, JJC-1E, K2000 jerin micro kwamfuta kwarara kariya gwaji, JDS-2002, ZLS-02E jerin kwarara kariya hadaddun gwaji akwatin, sauran tallafawa kayan haɗi da sauransu.