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1924-1969 1970-1999 2000-
| 2000 | Kyoto Plant acquired ISO14001 certification. |
| 2001 | Established TSURUMI PUMP TAIWAN CO., LTD. in Taiwan (currently consolidated subsidiary) Osaka Headquarters, Tokyo Head Office, Branch Offices, etc. acquired ISO14001 certification. |
| 2002 | Established TSURUMI PUMP (M) SDN. BHD. in Malaysia (currently affiliated company) Established SHANGHAI TSURUMI PUMP CO., LTD. (currently consolidated subsidiary) |
| 2004 | Obtained a business license for sludge fermentation system from Ginza Cozy Corner Co., Ltd. Established TSURUMI (SHANGHAI) CO., LTD. (currently non-consolidated subsidiary) |
| 2005 | Established TSURUMI VACUUM ENGINEERING (SHANGHAI) CO., LTD. (currently affiliated company) Obtained a business license for sludge dehydrator from Terra Separator Co., Ltd. |
| 2006 | Established TSURUMI PUMP KOREA CO., LTD. (currently non-consolidated subsidiary) |
| 2007 | Established TSURUMI PUMP (THAILAND) CO., LTD. (currently non-consolidated subsidiary) |
| 2010 |
SHANGHAI TSURUMI PUMP CO., LTD. acquired ISO9001 and ISO14001 certification. |
