About SHIMODA HIROKAZU
About ball screw
About speedup
About noise control
About injection molding machine
About press
About forging press
About forging equipment
About parts
About automotive components
About lead screw
About suppression and control
About 静音化
About 鍛圧機械
About Motion mechanism
About 機械要素
About 潮流
About ボールねじ
About 技術動向