A ranar 20 ga Disamba, wakilin ya ji labari daga Kamfanin Binciken Tagulla da Karfe na China Iron and Steel Group Gaona cewa kamfanin ya jagoranci samar da Fushun Special Steel da Erzhong Wanhang tare a karon farko a cikin 'yan kwanakin nan don gwada mafi girman injin hada turbine disk integral die forging a kasarmu a halin yanzu—— Manyan injinan hada turbine na GH4706 alloy disk forgings, wadanda suka dace da amfani a yanayin zafi mai zafi na digiri 650 Celsius, tare da karfin karfin 1200 MPa, nauyin tan 13.5, da kuma diamita na mm 2380, sun karya ikon mallakar kasashen waje.
A cewar Zhao Guangpu, shugaban aikin bincike kuma mataimakin darektan Kwamitin Kimiyya da Fasaha na Binciken Karfe na Gona, injinan iskar gas masu nauyi ga manyan tashoshin wutar lantarki suna da fa'idodi masu ban mamaki kamar babban iko, ingantaccen zafi, ƙaramin girma da nauyi, da ƙarancin gurɓatawa. Fasahar kera ta ta zama matakin fasaha na ƙasa. , Ɗaya daga cikin muhimman alamomin ƙarfin ƙasa mai cikakken ƙarfi. Babban kayan aikinta masu zafi sune faifan diski ɗaya da biyu (faifan injinan turbine da jagora, ruwan wukake masu aiki), waɗanda ke aiki a matsayin "zuciyar" ɗan adam. Su ne babbar fasahar kera injinan iskar gas da kuma matsala da ke takaita wurin da injinan iskar gas masu nauyi ke zaune. Faifan injinan iskar gas masu nauyi suna buƙatar sama da sa'o'i 100,000 na sabis na zafin jiki mai yawa da damuwa na dogon lokaci, kuma suna buƙatar ingancin kayan ƙarfe mai yawa, kamar tsarin kayan aiki iri ɗaya, tsarkakakke, mai laushi, mai karko da aiki; Girman da ya fi girma, kuma diamita da yankin hasashensa suna bi da bi. Ya kai fiye da mita 2.2 da murabba'in mita 4.2, wanda ya ninka diamita na faifai na injin Aero sau 4, sau 10 yankin da aka yi hasashen, da kuma sau 60 nauyin, da sauransu. Fasahar kera manyan faifan turbine masu girman gaske ta kasance cikin toshewa a ƙasashen waje kuma ƙasashen Yamma sun daɗe suna mamaye ta.
Don haka, Zhao Guangpu ya jagoranci tawagar aikin don gudanar da jerin bincike na asali da bincike na fasaha, kuma a ƙarshe ya ɗauki fasahar shirya "narkewa sau uku + maimaita damuwa + sau biyu na tayar da hankali + na'urar ƙonewa ta wuta ɗaya" ta duniya don aiwatar da Ka'idojin ƙasa da ƙasa, ta hanyar karya gibin fasaha na shirye-shiryen faifai na turbine mai girman gaske da aka fuskanta yayin aikin haɓakawa, kamar fasahar narkewa mai ƙarancin rabuwa sau uku don manyan ingots na ƙarfe tare da ingots masu nauyin sama da tan 18, da kuma fasahar fure mai ban haushi da kyau ga manyan sanduna masu diamita na mm 1000, tare da diamita na integral die forging 2200 da fasahar ƙirƙirar ƙananan zafin jiki da sarrafa tsari don manyan sassan faranti mafi girma fiye da milimita. Ƙungiyar aikin ta gudanar da bincike da haɓakawa mai zaman kanta da ƙirƙira na asali don lahani na ƙarfe kamar babban abun ciki na Nb na sinadarin haɗa ƙarfe a cikin superalloy na GH4706, wanda ke da saurin kamuwa da tabo baƙi da kuma rarrabuwar tabo fari. Manyan abubuwan da suka fi daukar hankali a cikin manyan injinan iskar gas na ƙasata sune "wuya mai makale", wanda ya buɗe hanyar da za a bi don shirya manyan faifai na injinan iskar gas masu nakasa tare da halayen China tare da haƙƙin mallakar fasaha mai zaman kansa.
Bayan aikin jiki, aikin faifan turbine ya kai ga buƙatun fasaha na irin wannan ƙarfe na ƙasashen waje, kuma an cimma wani babban sakamako. Wannan wani muhimmin ci gaba ne da ƙasata ta samu a fannin superalloys masu nakasa, wanda ya haifar da fasahar shirya faifan turbine masu girma a cikin gida don kaiwa ga matakin jagoranci na duniya. A ranar 8 ga Disamba, an gudanar da taron bita na ma'aunin ma'auni don ƙirƙirar faifan roulette mai girman GH4706 a Beijing. Masana sun ba da babban kimantawa, wanda ke nufin cewa an ɗauki mataki mai kyau don ainihin amfani da faifan turbine.