Ritto Machinery Works
Mitsubishi Heavy Industries, Ltd. (MHI) extends its deepest sympathies to the many victims of the massive earthquake and tsunami that caused incalculable loss of lives and property throughout eastern Japan on March 11. We sincerely pray for the safety of all those affected by the disaster and for recovery of all regions as quickly as possible.
Current Operating Status of Production Facilities
as of August 9, 2011
Production facilities are operating normally. In the case of procured items, these are being secured at virtually normal levels; production is almost completely unaffected.
Outline

Ritto Machinery Works (Ritto City, Shiga Prefecture), the primary production base of the Machine Tool, supports literally every industry by manufacturing products such as various machine tools, precision cutting tools, engine valves, precision position feed back sensors and wafer bonding machines, and thus contributes to "future-oriented manufacturing" throughout the world.
We also proactively engage in participating in neighbor autonomous community activities and CSR activities aiming at becoming a community-oriented friendly enterprise.
Location
News
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Major Products
- Large Machine/Machining Center (Products)
- Special-purpose Machine (Products)
- Gear Cutting Machine (Products)
- Cylindrical Grinding Machine (Products)
- Die and Mold Machine (Products: Die Mold Machining Center MVR-FM Series)
- Micro Milling Machine (Products)
- Precision Cutting Tools (Products)
- Engine Valves (Products)
- Precision Position Feedback Sensor (Products)
- Wafer Bonder (Products)
International Approval
Click the link below to see the information on international approval of Ritto Machinery Works.
Procurement
Click the link below to see the information on procurement of Mitsubishi Heavy Industries.
CSR
Click the link below to see the CSR activities of Mitsubishi Heavy Industries.


