大井製作所 Company Profile

Challenging the creation of products that open up the future!

Ohi Manufacturing Co., Ltd. is a company that primarily manufactures and sells OHI Minafron electrical insulation bolts, OHI Minafron electrical insulation U-bolts and pads, implant bolts, reamer bolts, chemicals for semiconductors, pump parts, mechanical seal parts, and more. With the motto "We are serious about our customers' needs and provide products that delight our customers," we aim to contribute to society through industrial development by conducting research, development, and manufacturing of innovative and highly reliable screws.