Quality Control System
Guaranteed high quality products
As Metal Technology Co. Ltd. is required to meet the stringent quality demands of the aerospace industry and related equipment industries, we continue to meet and exceed these high standards through our plant management systems which are continually improving and evolving. This quality control management enables us to offer a level of service which is appreciated by customers in other industries as well. We are constantly striving to improve our quality control system and as a result we have obtained ISO 9000 series accreditations and aerospace related certificates.


JIS Q9001: Requirements for quality management system
JIS Q9100: Requirements for organizations of aviation, space and defense
ISO 9001: Requirements for quality management systems, International standard
Gunma Plant
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Certification number |
BSKA0298 (Quality) |
Validity | 2021/08/07 | Certifying body |
Defense structure improvement foundation | ||
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Applicable standard |
JIS Q 9100 :2016 & JIS Q 9001:2015 (ISO 9001:2015) |
Scope | Manufacture of aviation, space, and industrial parts【Heat treatment, brazing, welding, HIP (Hot isostatic pressing), and machining】 |
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Exemptions | 8.3 Design and development of products and services | Industry | 17 Basic Metal and processed metal products 21 Aerospace industry |
Ibaraki Plant
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Certification number |
BSKA0316 (Quality) | Validity | 2024/2/18 | Certifying body |
Defense structure improvement foundation | ||
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Applicable standard |
JIS Q 9001:2015 (ISO 9001:2015) |
Scope | Manufacture of aviation, space, and industrial parts【Heat treatment, brazing, HIP (Hot isostatic pressing), and machining】 | ||||
Exemptions | 8.3 Design and development of producta and services | Industry | 17 Basic Metal and processed metal products 21 Aerospace industry |
Kanagawa Plant
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Certification number |
BSKA0223 (Quality) |
Validity | 2023/11/13 | Certifying body |
Defense structure improvement foundation | ||
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Applicable standard |
JIS Q 9100 :2016 & JIS Q 9001:2015 (ISO 9001:2015) |
Scope | Manufacture of aviation, and space parts【Heat treatment, brazing, diffusion bonding, HIP (Hot isostatic pressing), machining, and metal additive manufacturing】 Manufacture of industrial parts 【Heat treatment, brazing, welding, diffusion bonding, HIP (Hot isostatic pressing) and machining and metal additive manufacturing】 |
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Exemptions | 8.3 Design and development of producta and services | Industry | 17 Basic Metal and processed metal products 21 Aerospace industry |
Toki Plant
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Certification number |
BSKA0318 (Quality) |
Validity | 2024/9/21 | Certifying body |
Defense structure improvement foundation | ||
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Applicable standard |
JIS Q 9100 :2016 & JIS Q 9001:2015 (ISO 9001:2015) |
Scope | ・Production of Aerospace Parts 【Heat treatment, Hot Forming and abrasive water jet processing】 ・Production of commercial parts 【Heat treatment, brazing, Hot Forming and abrasive water jet processing】 |
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Exemptions | 8.3 Design and development of products and services | Industry | 17 Basic Metal and processed metal products 21 Aerospace industry |
Shiga Plant
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Certification number |
BSKA0026 (Quality) |
Validity | 2022/10/25 | Certifying body |
Defense structure improvement foundation | ||
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Applicable standard |
JIS Q 9100 :2016 & JIS Q 9001:2015 (ISO 9001:2015) |
Scope | Manufacture 【Heat treatment, brazing, Hot Isostatic Pressing, machining, welding, Hot Forming and CO2 laser processing】 of aircraft, aerospace and other commercial parts | ||||
Exemptions | 8.3 Design and development of products and services | Industry | 17 Basic Metal and processed metal products 21 Aerospace industry |
Himeji Plant
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Certification number |
BSKA0057 (Quality) |
Validity | 2025/05/27 | Certifying body |
Defense structure improvement foundation | ||
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Applicable standard |
JIS Q 9100 :2016 & JIS Q 9001:2015 (ISO 9001:2015) |
Scope | Manufacture of aviation, space, and industrial parts【Heat Treatment, Brazing,Bonding,Welding, Sintering, Hot Isostatic Pressing, and Machining】 | ||||
Exemptions | 8.3 Design and development of products and services | Industry | 17 Basic Metal and processed metal products 21 Aerospace industry |
Toki Plant

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Process | AC Check list No. | item | approver |
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Heat Treating | AC7102 |
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PRI |
AC7102S | Heat Treating:U11 The Boeing Company | ||
Inspection | AC7102/5 |
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Pyrometry | AC7102/8 | Industry Specs:AMS2750 |
Shiga Plant

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Process | AC Check list No. | item | approver |
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Heat Treating | AC7102 | Heat Treating:
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PRI |
AC7102S | Heat Treating :
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AC7102/6 | Hot Isostatic Presing (HIP) | ||
Inspection | AC7102/5 | Hardness and / or Conductivity Testing Heat Treating :
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AC7101/4 | Materials Testing Laboratories Metallography and Microindentation Hardness
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Pyrometry | AC7102/8 | Industry Specs: AMS2750 |
Himeji Plant

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Process | AC Check list No. | item | approver |
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Heat Treating | AC7102 |
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PRI |
AC7102S |
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Inspection | AC7102/5 | Hardness and / or Conductivity Testing Heat Treating : Hardness - Rockwell | |
AC7101/4 | Materials Testing Laboratories Metallography and Micro indentation Hardness
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Pyrometry | AC7102/8 |
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Suzhou Plant (China)

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Scope of approved by Nadcap | |||
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Process | AC Checklist No. | Item | Approver |
Heat Treating | AC7102 |
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PRI/Nadcap |
AC7102S |
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Pyrometry | AC7102/8 |
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Hot Isostatic Processing | AC7102/6 | Customer Specs: PRS614(Superseded by RRP54001), DPM80 | |
AC7102S |
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Toki Plant

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Process | AC Checklist No. | Item | Approver |
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Heat Treatment | BAC5619 | Heat Treatment of Corrosion Resistant Steels | Boeing |
BAC5613 | Heat Treat of Titanium and Titanium Alloys | ||
Inspection | ASTM E18 | Standard Test Methods for Rockwell Hardness of Metallic Materials |
Shiga Plant

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Process | AC Checklist No. | Item | Approver |
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Heat Treatment | BAC5613 | Heat Treatment of Titanium and Titanium Alloys | Boeing |
BAC5617 |
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BAC5619 |
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BAC5640 |
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Inspection | ASTM E18 | Standard Test Methods for Rockwell Hardness of Metallic Materials | |
Met. Testing | Metallurgical Testing |
Himeji Plant

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Process | Specification No. | Title | Approver |
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Heat Treatment | AMS2759 | Heat Treatment of steel Parts General Requirements | Rolls-Royce |
AMS2759/3 |
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Inspection | MSRR9969 |
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Pyrometry | RPS953 |
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Other | RPS367 | Corrosion protection of components during manufacture and storage | |
RRP50000 RRP51000 |
Technical Control of Manufactureing Processes General cleaning and degreasing |
Suzhou Plant (China)

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Scope of approved by Rolls Royce | |||
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Process | Specification No. | Title | Approver |
Quality System | SABRE | Supplier Management System Requirements | Rolls-Royce |
Pyrometry | RPS953 | Laboratory control procedure for heating furnace and associated equipment and thermal processing of materials.(Superseded by RRP54000) | |
Hot Isostatic Processing | PRS614 | Hot Isostatic Pressing of Metallic Cast Products (Superseded by RRP54001) |
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Other | PRES90000 | Engnieering Control of Manufacturing and Repaire Source and Method | |
RRP 50000 | Technical Control of Manufactureing Processes |

Pratt & Whitney Canada is a manufacturing company of aircraft engines and aircraft parts. This quality management system requires suppliers of aircraft parts to meet the Pratt & Whitney management standard and following the specifications laid out. Acquiring this certification shows that our plants fully meet these high requirements. Our Suzhou Plant in China has this certification and maintains this standard across all areas of production.

Pratt & Whitney is a manufacturing company of aircraft engines and aircraft parts. This quality management system requires suppliers of aircraft parts to meet the Pratt & Whitney management standard and following the specifications laid out. Acquiring this certification shows that our plants fully meet these requirements. Himeji Plant is the first of our Japanese plants to obtain this certification.

This is a quality management standard which GE Aviation requires all GE suppliers and manufacturers to acquire and maintain. GE Aviation accreditation requires the standard JISQ9000 and ISO9001 certificate standards alongside additional more stringent and strict quality management such as maintenance of inspections and records based on the specification that is required. Our Suzhou Plant in China has this accreditation for HIP treatment.

An internationally recognized standard for quality management systems specialized in the medical device industry. This certification is adopted as the basis of quality control of "regulations for organizations involved in the life cycle of medical devices" around the world. Metal Technology Co. Ltd.`s Kanagawa Plant has obtained this certification to support their current customer demands and development.
Contact Us
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Document download
- Company information
- Technology information (Japanese)
- Technology information (English)
- HIP unit list
- Hot press equipment list
- Possible material combinations for brazing
- MICROTRON Test Machine MIC1