3日 4月 "Inspiring ADD Industry, Hard-working ADD Staff" Tug of War/ Board Shoe Race with activities for Labor’s Day Celebration In order to demonstrate the spirituality and the aggressive and enterprising spirit of ADD Industry People, and improve the teamwork ability of all employees. On the afternoon of April 28th, Tug of War/ Board Shoe Race for Labor’s Day Celebration were organized and held by the corporation’s trade union at the corporation’s factory yard.