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Building Window Tempered Door Pane Toughened 2 Hour Fire Rated Door 8mm Fireproof Borosilicate Glass, Find Details and Price about Fireproof Borosilicate Glass 8mm Borosilicate Glass from Building Window Tempered Door Pane Toughened 2 Hour Fire Rated Door 8mm Fireproof Borosilicate Glass - Tianjin Baitai Glass Co., Ltd. China