CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Ningbo Port CertifiedTerms of Payment: T/T, Western Union
About Our Factory & Business Background
AddressHangzhou, Zhejiang, China
Plant Area1814 square meters
Number of Employees15
Registered Capital80,000,000 RMB
International Commercial Terms(Incoterms)FOB
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Minimum Order Quantity1
Supply Chain Partners3
Our Production Capability & Technical Expertise
Main ProductsTeflon,Fresh air inlet,damper,Air diffuser,Silencer,Stainless steel duct,Galvanized steel duct,Fan
Production Lines4
Production MachinesU-shaped groove equipment, Cutting machine, Super 5-line machine, Flange forming machine
QA/QC inspectors1 people
Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished ProductsFinished product checked by packing staff
R&D Engineers1 people
Traceability of Raw MaterialsYes
Our Industry Experience & Global Business Record
Year of Establishment2022-04-08
Main MarketsDomestic
Repeat Buyers Choice80%~100%
Number of Foreign Trading Staff4
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Our Certifications, Standards & Industry Recognition
Cooperated with Fortune 500No
Product Q&A
Q:What is a fire/smoke exhaust damper?
A:
A damper installed on smoke exhaust ducts that opens (automatically or manually) during a fire to vent smoke outdoors, protecting escape routes. It stays closed in normal operation to prevent cross-airflow.
Q:What's the difference between a smoke exhaust damper and a normal volume control damper?
A:
Both. Most models offer electric + manual dual control: automatic opening on smoke detection, plus manual/remote and emergency manual operation during power failure.
Q:Is it manual or automatic?
A:
Both. Most models offer electric + manual dual control: automatic opening on smoke detection, plus manual/remote and emergency manual operation during power failure.
Q:How does the fusible link work?
A:
When ambient temperature reaches the set point (70 degrees Celsius), the link fuses and the damper opens automatically ----no power required
Q:What material is the damper made of?
A:
Typically galvanized steel or stainless steel with a coated finish - high-temperature resistant and corrosion-proof for kitchen, humid and industrial use.
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