Professional Industrial Windproof aluminum rolling shutter patio doors on China WDMA Built-in Blinds and CSA American and Canadian

and CSA American and Canadian Standards and now we meet

Shower room and  Sunroom

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Professional Industrial Windproof aluminum rolling shutter patio doors on China WDMA Built-in Blinds and CSA American and CanadianApplicable door opening Maximum width 12000 Maximum height 10000 Reserved size for upper edge of opening 500 1000 Reserved size for each lateral side of opening 300 Working voltage frequency 380V 50HZ Motor power 550W 1100w Width of Shutter Curtain 100mm 77mm Operating speed td> ~0. 1. 7m s Applicable temperature 40C~50C Resistance to wind pressure 650N m FAQ Q1: What's your quality control process? A: IQC,PQC, Spot checking, OQC Q2: What