

ohtakousaku.co.jp
Ohta Kousaku Co., Ltd. is a Japanese manufacturer specializing in integrated production, long-length machining, and precision sheet metal fabrication. Since its establishment in 1973, the company has produced high-quality components for machine tools, semiconductor manufacturing equipment, and industrial washing machines. Their facility leverages advanced CNC 5-axis composite turning and vertical machining centers to achieve high-precision tolerances as tight as ±0.005mm. By utilizing a proprietary database management system, the company ensures efficient lead times and rigorous quality control throughout the manufacturing process. They are distinguished by their ability to handle large-scale workpieces up to 3,000mm while maintaining an emphasis on the aesthetic finish and reliability of every product.