- Business
- Sansei Co., Ltd. (6307.T) designs, manufactures, installs, rents, maintains, repairs, and sells washing gondolas primarily for cleaning windows of mid- and high-rise buildings, along with stage equipment; it also produces industrial machinery such as four-side rotary setup devices, belt server devices, and various transport machines; and engages in marine-related activities including ship repairs, production of fish reefs and floating lighthouses, and crew accommodation services, plus property management. The company operates through two main segments—the Gondola and Stage segment, focused on design, development, sales, installation, maintenance, repair, and temporary rental of gondolas and stage equipment primarily in Japan's Kanto and Kansai districts; and the Marine-related segment covering shipbuilding support and industrial machinery. Founded in 1956 and headquartered in Osaka, Japan, Sansei Co., Ltd. employs approximately 231 people and serves building maintenance, entertainment, marine, and industrial sectors domestically.