Certificates
Our quality certifications and achievements
AllCE CertificationsManagement System CertificationsFire & Product CertificationsPatents & OthersOther
Explosion-proof Mixed Flow Fan
2030National Explosion-proof Product Quality Inspection and Testing Center (Tianjin) / CNOOC Tianjin Chemical Research & Design Institute Co., Ltd.
Explosion-proof Centrifugal Fan
2030National Explosion-proof Product Quality Inspection and Testing Center (Tianjin) / CNOOC Tianjin Chemical Research & Design Institute
Explosion-proof Roof Fan
2026CNOOC Tianjin Chemical Research & Design Institute Co., Ltd.
Explosion-proof Axial Flow Fan
2026National Explosion-proof Product Quality Inspection and Testing Center (Tianjin) / CNOOC Tianjin Chemical Research & Design Institute
Explosion - proof Oblique Flow Fan
2025National Explosion - proof Product Quality Inspection and Testing Center (Tianjin)
Explosion-proof Border Fan
2025CNOOC Tianjin Chemical Research & Design Institute Co., Ltd
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