At Step Science we work closely with our customers to provide the best possible products and customer experience.

The 21st Century is called “The Century of the Environment”, and Step Science is actively working on the development and manufacturing of products with consideration for environment protection and energy savings.
For more than 35 years since its establishment in 1984, we have designed, developed and manufactured water chillers for cooling computer hardware, semiconductor manufacturing equipment and medical equipment, and we have always responded with sincerity from design to service support. We have built a relationship of trust with our valued customers.
We have the experience to design, produce and install low volume or high volumes of cold water chillers and constant temperature water chillers. The performance of our chillers cannot be matched by other companies, we strive to design and manufacture products that exactly meet the customer's requirements by listening directly to customers. Step Science is committed to providing products and services that contribute to the advancement of industrial and medical sciences, pursuing continuous improvement through research, development.

President Jiro Gunji



Step science is CSE


We have built products that meet the exact needs of each of our customers, and we have gained the trust of our customers with our commitment to support and field service.
After 35 years, we have delivered many Semiconductor-specific Recirculating Thermostatic Water Chillers and Recirculation Water Chillers for medical equipment applications. We hope to work with your company and become your valued and trusted supplier. Give us your technical challenge and we will quickly and efficiently deliver a solution that meets your satisfaction.