INTEGRAL AND CONICAL STEEL EQUIPMENT
DRIFTER AND TUNNEL EQUIPMENT
BENCHING AND LONG DRILLING EQUIPMENT
ADAPTERS AND STILTS
DOWNHOLE HAMMER DRILL BIT
OTHERS
About
MMC RYOTEC CORPORATION (then OTE Kosan CO., Ltd.) was established in 1958 as a group company of Mitsubishi Materials Corporation (then Mitsubishi Metal Mining CO., Ltd.). MMC RYOTEC has been a long-time manufacturer of cemented carbide tools. In 2000, the development and manufacturing departments of wear-resistant tools and rock tools were transferred from Mitsubishi Materials Corporation to our company. Since then, we have cultivated carbide material development technologies and tool design ideas..