因幡電機産業株式会社, trading in building products as 因幡電工, manufactures the Taika-X range of 防火区画貫通部 firestop devices for refrigerant, water and drainage piping and for cable penetrations. Its published 認定／評定番号一覧 lists 国土交通大臣認定 approvals in the PS060FL- and PS060WL- families — PS060FL-0776 and PS060WL-0774-1 among them — alongside 日本消防設備安全センター KK- and RK-series evaluations.