For more than half century KONISHI SEISAKUSHO CO., LTD. has been recognised as a leader in the manufacturing of precision ball bearings. Since 1934 our brand name MRK,continues to provide the world industry with high quality components.We are always endeavoring to modernize equipment, renew machines ,and introduce new technologies, and as a result have seen steady growth in production and the expansion of new markets.
The pioneer spirit is represented in their motto "User's demands are the guide of progress" Thus they are able to provide precision engineered products to meet the needs of growing markets,such as electric machines and equipment manufacturing, automobile industry,industry of air compresser, and other areas of industry and agriculture.