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On May 31, 2017,supplied and built by Foshan DLT Technology Co. Ltd., two D2D double-layer wide-body firing kiln weresuccessfully put into production in Shandong Zibo Fu Lai Te Building Ceramics Co., Ltd. With an inner width of 3500mm,the kiln is now the widest two-layers roller kiln in the world,mainly for production of 300 * 300,300 * 450,300 * 600,400 * 800mm tiles, and each of which can reach productioncapacity of 16,000 square meters per day.