Ukumiselwa ngo-1989, Wena (weQela) iZinyithi ezibandakanya ukubaluleka okukhulu kulwandiso kunye nokuphuculwa komgangatho wemveliso kunye nezixhobo. Sihambele phambili ukuzoba ucingo lwasekhaya, ukwenza iinzipho, i-galvanization, unyango lobushushu, unyango lomphezulu kunye nezixhobo zokukhusela indalo, ezihlangabezana nemigangatho yesizwe yokukhuselwa kwendalo kwaye ikakhulu zibandakanyeka kwizipikili zesamente.
Eyona mveliso iphambili ibandakanya isikhonkwane esimnyama sensimbi, isikhonkwane sekhonkrithi, isikhonkwane esiqhelekileyo socingo, isikhonkwane sokuphahla, isikisi se-gypsum, isikrufu se-chipborad, ucingo olwenziweyo, ucingo olumnyama oluxutywe ngocingo, ucingo olutyhidiweyo lwe-pvc, ucingo olubiweyo, ucingo olucinyiweyo, ucingo olungenasici kunye neentlobo ezahlukeneyo zocingo, njl. Ithengiswa kakuhle kwilizwe liphela, iipesenti ezingama-70 zemveliso zithunyelwa kulo lonke ilizwe, ezinje ngeYurophu, iMelika, iAfrika, uMbindi Mpuma kunye noMzantsi Mpuma weAsia, njl.
Bonke abasebenzi bakaYeYou (Iqela) leZinyithi ngo-2020 bazabalazela ukufezekisa iinjongo ezingama-600 ezigidi ze-yuan ngonyaka ngexabiso lokuphuma lonyaka kwisithuba seminyaka emithathu ngolindelo kunye nothando.