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Customized Size Double French Window with Easy Installation and CE Certified Georgian Bar Flower Welcome to Soleron Building Materials (Hebei) Co., Ltd. – Your Professional One-Stop Supplier for High-Quality Insulating Glass Materials. We specialize in manufacturing and supplying a full range of insulating glass accessories, including Aluminum Spacer Bar, Warm Edge Spacer, Molecular Sieve, Hotmelt Butyl Rubber Sealant, Silicone Sealant, and fittings. All products are