Bututun da aka yi da filastik na fasaha na galvanized sumul bututu ya gaji fa'idodin bututu da bututun filastik, kuma bututun an tsara shi da kyau bayan cikakken bincike bisa ga buƙatun kasuwa, fasahar samarwa, matakan hana lalata, hanyoyin haɗin gwiwa, aiwatar da farashi ...
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