寺岡オート・ドアシステム株式会社 develops, manufactures, installs and maintains automatic sliding and swing fire doorsets in stainless and steel with heat-resistant glazing. Its 国土交通大臣認定書 page publishes the firm’s own approvals across all three families: 特定防火設備 EA-0089, EA-0095, EA-0127, EA-0228, EA-0285 and EA-9205 among others, 防火設備 EB-2047(1), EB-2052 and EB-2057, and 複合防火設備 CAS-1039, CAS-1043, CAS-1047 and CAS-1051. Maintenance and periodic inspection are offered nationally.