Brand
Honor
· 3C

HTFC-I-40A-5 centrifugal fire and smoke exhaust fan

HTF-I-8B axial flow fire smoke exhaust fan

PYHL-14A-6A axial flow fire smoke exhaust fan

DTF-11.2-2-1 axial flow fire smoke exhaust fan

HTF-I-16AAxial flow fire smoke exhaust fan

Fire damper FHF WSDj-K-1250×800-H

Smoke exhaust valve PYF SDc-YK-1250×800

Smoke exhaust fire damper PFHF WSDc-YK-1250×800-D
· AMCA test report
· Invention patent

Utility model patent certificate10

Utility model patent certificate9

Utility model patent certificate8

Utility model patent certificate7

Utility model patent certificate6

Utility model patent certificate5

Utility model patent certificate4

Utility model patent certificate3

Utility model patent certificate2

Utility model patent certificate
· Nuclear grade
· Brand name certificate
· Three system certificate

quality management system certification

Environmental Management System Certification

Occupational Health and Safety Management System Certificate
· Mark

Chinese well-known trademark
· CNAS

CNAS certificate
· High-tech enterprises

Certificate of high-tech enterprise
· Shangyu Top 20 Enterprise Brands

Shangyu Top 20 Enterprises
· Provincial trademark brand demonstration enterprise
· AAA credit rating

AAA credit rating
· Zhejiang Famous Firm