Speedy Solutions Worldwide

Prototype Castings


GK provides fast and reliable casting solutions with sand printing technology. In house inspections assure the highest quality worldwide.


GK provides castings in materials of iron, steel and aluminum for various applications. 


GK is located globally in Japan and Germany. 10 sand printers are operating worldwide.

About GK

GK is the collaboration of two foundry specialists: Kimura Foundry and Grunewald.

We provide an one-stop-casting-solution with processes of sand printing and soft tools along with CNC machining. Production is based in Japan and Germany, and provides parts in iron, steel and aluminum. GK is one of the fastest and most reliable casting suppliers in the global market.


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