| Jun 28，2021 | We became a subsidiary of NTN Corporation. |
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| Jun 1，2020 | We changed the company name to Taira Forging Co., Ltd. |
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| May 27，2016 | Installed Stationary Energy Storage System with peak-cut function at HQ Plant. |
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| Mar 29，2016 | Increased capacity of Solar-power generation system (6M). |
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| Mar 9，2016 | Installed 2 Coordinate Measuring Machines FARO ScanArm. |
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| Feb 10，2016 | We conducted "Self-Declaration of Conformity with JIS". |
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| Jan 25，2016 | Installed Stationary Energy Storage System with peak-cut function at Horikae Plant. |
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| Jan 20，2016 | We renewed our homepage! |
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| Jan 15，2016 | Installed Automatic Robotic Welding Machines. |
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| Dec 26，2015 | Installed 16 Pulse Cutting Band Saw Machines. |
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| Oct 2，2015 | Installed Secome Home-security system (SESAMO TR-II). |
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| Jun 5，2015 | DNV-GL Manufacturer Approval got renewed. |
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| May 21，2015 | Got OHSAS18001:2007 Approval. |
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| Jan 26，2015 | Installed Emission Spectrophotometer. |
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| Aug 31，2007 | Got ISO14001：2004 Approval. |
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| Jun 1，2007 | Hakui Maruzen, Taira Forging merged and 2 other group companies merged and re-started as Hakui Maruzen Co., Ltd. |
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