Parallel glass block

82 parallel glass block products are offered for sale by suppliers on Alibaba.com, of which decorative glass accounts for 43%, other glass accounts for 20%. A wide variety of parallel glass block options are available to you, such as school, office and hotel.You can also choose from decorations, industrial and bulletproof parallel glass block,as well as from graphic design, total solution for projects, and cross categories consolidation parallel glass block, and whether parallel glass block is return and replacement, onsite inspection, or free spare parts.