Haoya Aluminum is one of leading manufacturer and supplier in China, specializing in the production of
Casement Windows, Vertical Lift Window Sliding Doors, etc. We can provide customers with quality assurance, fast. You can rest assured to buy the products from our factory and we will offer you the best after-sale service and timely delivery.
At Green Fenster,we manufacture Fixed Windows,
Casement windows,Sliding Windows,Top Hung windows and Combination windows.
Also specialised in UPVC doors.They are maintenance free, making it a time
and cost saver! They are chemical/ dust and sound proof as well.
If you need UPVC
casement windows, look no further than Koemmerling. Our windows are hinged at the sides, allowing for easy opening and maximum ventilation. Choose UPVC
casement windows for a modern, secure, and energy-efficient solution that stands the test of time.
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