Bunka Shutter Co., Ltd. (TSE:5930) agreed to acquire Windsor Doors and Windsor Doors (South Island) and Jones Door Company (2005) and Doors 2000 on May 11, 2023. Through the collaboration, BX Group and the Windsor Group will be able to expand global scope and product lineup, strengthen customer base, and diversify profit model in the building materials field, with a focus on the Japanese, Vietnamese, Australian, and New Zealand markets, and will aim to create high synergy effects in contribution to the customers.