| 1986年 |
Founding |
| 1991年 |
First delivery of a BoVac disc filter to an alumina refinery. |
| 1991-01-01 |
Modification and optimization of 14 vacuum disc filters for the filtration of aluminum hydrate at Nabalco (now Alcan Gove Pty Ltd) in Australia. |
| 1996-01-01 |
Introduction of a QM system according to ISO 9001. |
| 1997-01-01 |
Delivery of the first BoCross MicroScreen filter. |
| 2000-01-01 |
Delivery of our first vacuum drum filter. |
| 2001-01-01 |
Delivery of the first BoHiBar drum filter. |
| 2002-01-01 |
Foundation of BOKELA Australia Pty Ltd. |
| 2003-01-01 |
Delivery of the first four BoVac Pan filters to an alumina refinery. |
| 2004-01-01 |
Delivery of the first two BoVac Disc filters for the coal industry. |
| 2004-06-01 |
Delivery of the first two BoHiBar Drum filters for the filtration of PTA. |
| 2008-01-01 |
Move into new headquarter in the Ragolds Park – Karlsruhe. |
| 2009-01-01 |
Delivery of the entire filtration technology for an alumina refinery ... |
| 2011-01-01 |
... including the first BoHiBar disc filter for the filtration of red mud. |
| 2013-01-01 |
BOKELA signs the largest ever order in the company's history ... with Xinjiang Guotai Xinhua Mining Industry Co., Ltd., China, for the delivery of 24 BoCross MicroScreen filters for catalyst recovery. |
| 2014-01-01 |
BOKELA becomes a member of the TSK company group: |
| 2014-12-28 |
Tsukishima Kikai Co., Ltd., Tokyo acquires majority stake of BOKELA |
| 2017-01-01 |
Order for the first BoHiBar Disc filter for dewatering of fine coal |
| 2018-01-01 |
Tsukishima Kikai Co., Ltd acquires all of BOKELA's shares and becomes the sole owner |
| 2019-06-05 |
Relaunch with a new look and feel, a new logo, new product names, a new, simpler business name and a design which transfers BOKELA's process world, caution, precision and experience into a new, distinct design language |
| 2023-04-18 |
In April 2023, Tsukishima Kikai Co., Ltd transitioned to a holding company structure and assumed a new name Tsukishima Holdings Co., Ltd. |
