China factory and soundproof with hot insulation aluminum profile with double glass industrial inside blinds folding doors on China WDMA Built-in Blinds and persistent

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China factory and soundproof with hot insulation aluminum profile with double glass industrial inside blinds folding doors on China WDMA Built-in Blinds and persistentChina factory and soundproof with hot insulation aluminum profile with double glass industrial inside blinds folding doors PRODUCT DESCRIBE PRODUCT DESCRIPTION Item China factory and soundproof with hot insulation aluminum profile with double glass industrial inside blinds folding doors Profile 1. 6063 T5 T6 normal aluminum,thermal break aluminum 2. pvc upvc VINYL(China top brand CONCH German Brand REHAU Korea brand LG) Glass 1. Double tempered