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, Germany and USA. 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, Germany and USA and provides parts in iron, steel and aluminum. GK is one of the fastest and most reliable casting suppliers in the global market.


Tell us a little about yourself and your project.

We'll get back to you within 2 business days.


All rights belong to:

Kimura Foundry Co., Ltd.

Grunewald GmbH & Co. KG