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Electric Window OpenerProfilesAluminium materialSurface FinishPowder coatingStandard Colors Silver;greyBrandChina top brandOpener Chain MaterialStainless steelWindow Opener TypeSingle chain; double chain; rain sensor...Stroke Length300mm,400mm,500mm, customized sizePush Force300~400NOpen/close Lifecycle10,000 timesWindow TypesAwning window; top hung window; basement windowwarranty2 yearsCertificationCE certified
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