Certifications List As of March 1st,2025
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| Certifications | Level | Number of certified personnel | Accreditation Organization | Notes |
|---|---|---|---|---|
| Penetrant Testing (PT) | Level ２ | 2 | The Japanese Society for Non-Destructive Inspection (JSNDI) | |
| Penetrant Testing (PT) | Level 1 | 5 | The Japanese Society for Non-Destructive Inspection (JSNDI) | |
| Ultrasonic Testing,Ultrasonic Inspection (UT) | Level ２ | 2 | The Japanese Society for Non-Destructive Inspection (JSNDI) | |
| Ultrasonic Testing,Ultrasonic Inspection (UT) | Level 1 | 1 | The Japanese Society for Non-Destructive Inspection (JSNDI) | |
| Magnetic Particle Testing (MT) | Level ２ | 1 | The Japanese Society for Non-Destructive Inspection (JSNDI) | |
| Magnetic Particle Testing (MT) | Level 1 | 1 | The Japanese Society for Non-Destructive Inspection (JSNDI) | |
| Skills Test and Certification for Metal Heat Treatment | Grade 1 | 1 | National Testing & Certification (Ministry of Health, Labour and Welfare) | |
| Certified skilled worker for slinging operation | 28 | Japan Crane Association (JCA) etc. | ||
| Operators of floor-operated cranes over 5 tons. | 25 | Japan Crane Association (JCA) etc. | ||
| Forklift (truck) Operators | 8 | Japan Crane Association (JCA) etc. | ||
| Semi-automatic Welding Operator | 2 | The Japan Welding Engineering Society (JWES) | JIS-SN-1FH | |
| Semi-automatic welding operator | 1 | The Japan Welding Engineering Society (JWES) | JIS-SA-2FH | |
| Welding Skill Certification | 2 | In-house certification | TIG-JISZ3821 | |
| Specific training for arc welding | 3 | Komatsu Ltd. Nakayama Steel Works, LTD. | ||
| Certified inspector | 1 | Mitsubishi Heavy Industries | Valid only for the customer | |
| Sheet metal welding operator | 1 | Murata Machinery, Ltd. Inuyama Plant | Valid only for the customer | |
| In-house inspector certification | 14 | In-house training | Valid only in the company | |
| Gas welding operator | 1 | Kobelco Training Services Co,.Ltd. |