China waterproof rain protection metal window double glazed windows for sales on China WDMA Built-in Blinds 190 Series Thermal-break Aluminum Sliding

190 Series Thermal-break Aluminum Sliding Window/Door (Three Tracks)

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China waterproof rain protection metal window double glazed windows for sales on China WDMA Built-in Blinds 190 Series Thermal-break Aluminum SlidingName China waterproof rain protection metal window double glazed windows for sales Size customized Material triangle iron tube with powder coating surface treatment Glass single double 5mm tempered glass, other thickness is available Open swing, awning, sliding or fixed Color white,black, grey, bronze or customized Production 1. draw the design drawing according to customer hand drawing, idea, size, etc by Auto CAD 2. cut the zinc steel tube based on