We are glad to you the announcement of the 25th International Wood Machining Seminar (IWMS-25). The Seminar is held in Nagoya, Japan from October 4-8, 2023 at Portmesse Nagoya (Nagoya International Exhibition Hall). The meeting is co-organized by Nagoya University and the Japan Wood Research Society (JWRS). In the same time, the Japan Woodworking Machinery Association organizes “Japan Woodworking Machinery Fair with Wood Ecological Technology Fair (Mokkiten Japan/Wood EcoTech)” at same venue. There are a large number of visitors from various industries like furniture, fixture, woodworking, construction, lumbering, veneer and plywood, environment, forestry, plastic, ecology and so on from inside and outside Japan.Welcome to “Heart of Wood Machining in Japan”!