Certificates
Our quality certifications and achievements
AllCE CertificationsManagement System CertificationsFire & Product CertificationsPatents & OthersOther
Explosion-proof Centrifugal Fan
2030National Explosion-proof Product Quality Inspection and Testing Center (Tianjin) / CNOOC Tianjin Chemical Research & Design Institute
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 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
Axial Flow Fan
2025UDEM Uluslararası Belgelendirme Denetim ve Eğitim San. ve Tic. A.Ş.
Fresh Air Exchange Unit
2025UDEM Uluslararası Belgelendirme Denetim ve Eğitim San. ve Tic. A.Ş
Fresh Air Exchange Unit
2025UDEM Uluslararası Belgelendirme Denetim ve Eğitim San. ve Tic. A.Ş.
Air Handling Unit
2025UDEM Uluslararası Belgelendirme Denetim ve Eğitim San. ve Tic. A.Ş.
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
OHSMS CERTIFICATE OF REGISTRATION
2025CST Beijing Certification Co., Ltd.
QMS Certificate of Registration
2025CST Beijing Certification Co., Ltd.
EMS CERTIFICATE OF REGISTRATION
2025CST Beijing Certification Co., Ltd.
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