Company Information

Established in March 1977, Reterra has built upon a nearly five-decade foundation of manufacturing excellence and unwavering reliability. As a specialized producer of high-quality cast components, we are a trusted partner to some of the world’s leading names in the automotive and industrial sectors.

Our Corporate Profile

  • Representative: Hiroyuki Akiyama, Representative Director and President
  • Established: March 1977
  • Capital: 90 million yen
  • Shareholders: F-TECH INC. (85%), UBE MACHINERY CORPORATION, LTD. (10%), ALCONIX Corporation (5%)
  • Number of Employees: 236 (as of April 1, 2022)
  • Sales: 3,944,000,000 yen (Fiscal Year ending March 2021)

Our Core Business

Reterra specializes in the manufacture and sale of aluminum and zinc die castings. Our precision-crafted components are essential to the performance, safety, and efficiency of a wide range of applications. Through advanced engineering and meticulous quality control, we transform raw materials into critical, high-integrity parts that meet the exacting standards of our global clientele.

Our Valued Partnerships

Our success is defined by the success of our customers. We are proud to supply a premier portfolio of industry leaders, including (in alphabetical order):

  • Aisin Co., Ltd.
  • AISIN KEIKINZOKU Co. Ltd.
  • ALCONIX CORPORATION
  • Bosch Corporation
  • F-TECH INC.
  • GKN Driveline Japan Ltd.
  • Hitachi Astemo, Ltd.
  • Komatsu Ltd.
  • Knorr-Bremse Commercial Vehicle Systems Japan Ltd.
  • KYB Corporation
  • MITSUBISHI FUSO TRUCK & BUS CORPORATION
  • NEC Corporation
  • SUZUKI MOTOR CORPORATION

Our Commitment

Backed by the strength and stability of our major shareholders—including F-TECH INC., a company listed on the First Section of the Tokyo Stock Exchange—Reterra combines the agility of a specialized manufacturer with the robust support of a larger industrial group. This unique position allows us to invest in innovation while maintaining a steadfast commitment to quality, delivery, and customer satisfaction.

We look forward to continuing to drive progress through precision manufacturing.