Bunka Shutter Co., Ltd. is a Japan-based company mainly engaged in the manufacture and sale of shutters, and housing and building materials. The Company operates in four business segments. The Shutter-related Products segment offers lightweight shutters, heavy shutters, over-sliding doors, panel shutters and window shutters. The Construction Material-related Products segment offers exterior products, cross-cut weatherboardings, doors, partitions and other related products. The Service segment is engaged in maintenance and repair of existing shutters and building materials. The Reform segment is engaged in the renovation of housing.