Dynamo Inc

We are a leading Japanese manufacturer specializing in jet-cooled core pins and mold components for the high-pressure die-casting industry. We efficiently serve users worldwide with a global presence spanning plants in Japan and Vietnam, alongside sales offices in Germany, North America, Mexico, and China.

Our die-cast die components, including jet-cooled core pins, cascades, inserts, bore cores, and water jackets, exemplify our commitment to quality and innovation. Supported by sister companies Nihonseiki Co., LTD. and Tooling Innovation, Inc., we offer complete molds and additive manufacturing products. These utilize HTC45 die steel powder, boasting equivalence to SKD61 (H-13), high thermal conductivity, low thermal expansion, and improved component life through conformal cooling.