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Tenma

Japanese crane manufacturer based in Onomichi, Hiroshima, describing itself as the top-share maker of refuse cranes in Japan.

Last updated September 11, 2026

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Overview

Tenma Electric Industry Co., Ltd. (株式会社 天満電機産業) is a crane manufacturer based in Onomichi, Hiroshima Prefecture, Japan. Its official website states that it is the top-share refuse-crane maker in Japan and that it handles everything from design and fabrication through to maintenance in-house. The company was established in February 1972 (Showa 47) and its head office and main plant are located in Takasu-cho, Onomichi. Its product range covers environmental cranes (refuse cranes, ash/slag cranes, recycling cranes), general industrial cranes (overhead cranes, special transport cranes), hydraulic buckets, special lifting attachments, and control panels.

History

According to the company profile on its official website, Tenma Electric Industry Co., Ltd. was established in February 1972 (Showa 47). In January 1994 (Heisei 6) a plant was newly built at 2956-10 Aiedai, Takasu-cho, Onomichi, and in November 1994 the head office was newly built and relocated to the same address (the current main plant). In June 2003 (Heisei 15) a plant was newly built at 2956-20 Aiedai, Takasu-cho, Onomichi (the current Aiedai No. 2 plant).

Products and positioning

Self-described as the top-share refuse-crane maker in Japan, aiming to be the only company in the refuse-crane industry.

  • Refuse cranes

  • Ash/slag cranes

  • Recycling cranes

  • Overhead cranes

  • Special transport cranes

  • Hydraulic buckets

  • Special lifting attachments

  • Control panels

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