1st JOINING & JOINTING EXPO Dates: April 5(Wed)-7(Fri), 2017 Venue: Tokyo Big Sight, East Hall 5 Booth No.: 【18-6】 We jointly exhibited at "8th Highly-functional Materials Week" in the booth of Chiyoda Koueki Co. Thank you for visiting our booth. (Welding demonstration by ultrasonic combined vibration welding machine)