マスオカ Company Profile

For orders of packing, O-rings, Perfluoro rubber, and molded products, please contact Masuoka Co., Ltd.

With the development of the industry in the O-ring market, Masuoka Co., Ltd. was established in Miyazaki, Kyushu in 1990, and a variety of high-quality JIS standard O-rings are being produced at this state-of-the-art factory. Since its founding, Masuoka Co., Ltd. has aimed for quality first as a comprehensive seal manufacturer, obtained JIS and ISO-9001 certification, and is striving to be a fresh company that contributes to society by improving technology with an eye on environmental aspects and supplying high-precision products to the market.