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Rocky energy saving tilt-turn aluminum or upvc windows on China WDMA
Product Description Rocky energy saving tilt-turn aluminum or upvc windows U-Value 0.8-2.0 Sound insulation 30-48dB Water Penetation 4500Pa Wind Resistance 450 Pa Name Rocky energy saving tilt-turn upvc windows Material Aluminum profile, glass, hardware, rubber strip Opening styles toplights, sidelights, sliding, casement, folding, awning, tilt-turn Standard Certificate...
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