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A unique product of BM Windows at the Ecco Denmark factory. Built-in window blins has a box-shaped characteristic, with an automatically motor-controlled aluminum foil curtain between two layers of glass, combines with Argon gas pump to reduce noise (70-80%), heat insulation (heat transfer index of Argon gas is 0.016λ), anti-moisture, anti steam condensation …

At Ecco factory, BM Windows constructs 46 sets of built-in window blind, including circular shaped windows and other types of windows, which are the highlights of the project.