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        Alibaba.com offers 2,683 windows block products. About 2% of these are others windows, 2% are other door & window accessories, and 1% are custom windows. 

A wide variety of windows block options are available to you, such as modern, contemporary, and industrial. You can also choose from soundproof, heat insulation, and windproof. As well as from swing, sliding, and folding. And whether windows block is aluminum, pvc, or plastic steel. 

There are 2,683 windows block suppliers, mainly located in Asia. The top supplying country or region is China, which supply 100% of windows block respectively. 

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