专利证书

Fire Shutter EN1634-1:2008 certificate

A new automatic correction system for rolling shutter anti string sheet

Fire shutter EN1634-1:2014

A new anti-wear silent deviation correction bottom beam plug-in for fireproof rolling shutter

SGS Anti-typhoon test report

An anti channeling and easy disassembly driving spindle fixing device for fireproof rolling shutter door

Quality management system certification

A flexible smoke retaining vertical wall

A new integrated door rail for special grade fireproof rolling shutter door

A new rolling shutter door support system

A new rolling sectional assembled rolling shutter door box cover

A levelness correction system for special grade fireproof rolling shutter door curtain

A verticality correction system for special grade fireproof rolling shutter door curtain

A quick disassembly recycling roller shutter door transportation material rack

A pressure sensing safety device for stopping rolling shutter door in case of resistance

A composite door rail for rolling shutter door

CT4 explosion proof certificate of steel explosion-proof rolling shutter door

Certification certificate of steel fireproof and smoke proof rolling shutter fire protection products

Certificate of special grade fireproof rolling shutter (inorganic) fire protection products


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