Gas biyu amfani da kamfaninmu WRF jerin bushewa dumama zafi iska injin (tanda) kayayyakin, an tsara ta kasar Sin aikin gona injiniya bincike zane cibiyar, bayan biyar haɓaka maye gurbin ya kai gida manyan matakin, da kuma samun kasa patent fasaha kayayyakin a 2003. Wannan murhun ya haɗa kwal da musayar zafi a cikin sabon fasahar dumama ta kai tsaye don musayar zafi tare da babban zafin jiki na murhun. Wuta da iska suna tafiya, ba tare da gurɓataccen yanayi ba, ingancin zafi ya kai 90%, zafi mai sauri, ƙananan girma, sauƙin shigarwa, amintaccen amfani, da ƙananan farashi (idan aka kwatanta da tan guda na tukuni, tsarin dumama yana daidai da rabin farashin tsarin dumama na tukuni). An dauki matakan tsayayya mai zafi, don haka rayuwarsa ta inganta sosai fiye da murfin zafi mai zafi, fitarwar zafi mai zafi zai iya zuwa 300 ℃, yayin da aka yi amfani da hayaki mai zafi mai zafi da kuma hanyar fitar da hayaki mai zafi, musayar zafi ba ta tara ƙura ba, babu buƙatar tsaftacewa, zafi yana da kwanciyar hankali. Ana iya amfani da gas daban-daban, gas mai ruwa, mai mai sauƙi da kuma kwal ko itace a matsayin man fetur, kuma an sanye shi da na'urar samar da iska ta biyu don ƙona shi gaba ɗaya. Alamomin tattalin arzikin fasaha daban-daban na murhun sun kai matakin jagora na gida.
Wannan murhun shine na'urar dumama iska mai zafi mai amfani da kayan aikin bushewa tare da kayan aiki daban-daban. Ana amfani da shi sosai don bushewa dehumidification na abinci, tsaba, abinci, 'ya'yan itace, dehydrated kayan lambu, mushrooms, itace, azurfa kunnuwa, shayi, taba ganye da sauran kayayyakin gona, abinci, magunguna, sinadarai kasa, mai nauyi masana'antu kayayyakin. Hakanan ana iya amfani da shi don dumama da kuma dumama kayan aiki daban-daban. Painting, bita, furanni, gidan tsuntsaye da kuma dumama bita da sauransu.