The first unit was founded 1/4ton Muton Hammer / a real hammer that was operated when it was founded in 1948. The wooden board was wound up and forged in free fall.
Type forging Unit 1 U.S. Chambersburg Co., Ltd. Secodrop Hammer / real hammer that was operated in 1954. It was imported from the United States for the first time and became the basis for our current type forging.