ADDED VALUE

ADDED VALUE

We procure high-quality materials and products to reliably address the challenges and needs shared by our customers.
Furthermore, through our network of over 150 processing companies, we achieve optimal alignment with advanced processing technologies.
Inoue’s added value lies in our ability to provide “everything you need” through a one-stop solution.
01
TOTAL SOLUTION
02
MATERIAL SELECTION
03
QUALITY
04
COLLABORATION
01
TOTAL SOLUTION
We handle not only the procurement of special high performance materials,
but also various types of processing, equipment manufacturing, and on-site work.
Our strength lies in accurately understanding our customers’ needs, proposing solutions with a sense of speed, and resolving issues efficiently.We provide total coordination, from material procurement to precision and micro-processing, equipment manufacturing, and on-site work.
SUGGESTION
We handle all types of materials and deliver them in the optimal form By incorporating valuable information such as efficient processing methods and the latest manufacturing examples, we provide our customers with specialized and professional proposals.
MATERIAL
We actively handle special high performance materials used in heat-resistant, corrosion-resistant, and wear-resistant environments.
Please feel free to consult with us regarding both domestic and international products, as well as small-lot items.
PROSSESSES
We partner with approximately 150 processing companies, and not only offer proposals for metal material processing, but also handle custom parts based on drawings, equipment manufacturing, and on-site work.Please feel free to consult with us regarding manufacturing cost reduction and other needs.
We have received high praise for our ability to provide a one-stop solution through INOUE Corporation,
serving as your point of contact for everything from material procurement,
operation, and inventory management, to outsourcing processing,
delivery of finished products, and on-site work.

"Inoue’s Core Competence

About Engineering Business"
At INOUE Corporation, we are strengthening our in-house design and engineering department and expanding business partnerships with processing collaborators.
By utilizing our network of approximately 150 processing companies, we overcome various technical and cost-related challenges. We support our customers in enhancing their market competitiveness in manufacturing by providing overwhelming high quality and cost reduction, through optimal selection of material forms, process integration, and changes to more efficient processing methods.

INOUE Corporation's Proposal Capabilities and Plant Planning Support from Design to Product Procurement

At INOUE Corporation, we have accumulated value chains and expertise related to plant operations both domestically and internationally.
For example, in plant construction, we not only propose optimal steel supply options based on design drawings, but also provide comprehensive solutions by leveraging our extensive know-how and network in processing functions, equipment manufacturing, and on-site work.
02
MATERIAL SELECTION
"Understanding Customer Needs and Supporting the Optimization of Material Selection for Users"
"In order to propose materials that best match our customers’ needs, we first provide test pieces (material samples) for evaluation and analysis, allowing customers to confirm quality and processability in advance.This enables customers to select the most suitable materials and processing methods."
ANTICORROSION
Are you facing challenges with metals in environments where corrosion is not permitted?
Hydrochloric acid and sulfuric acid environments, acid resistance, chloride resistance, and reduction resistance environments
Corrosive gas environments, stress corrosion cracking, pitting corrosion Corrosion-resistant alloys
HEAT RESISTANT
Are you facing challenges with heat-resistant metals?
High-temperature corrosion, high-temperature oxidation, carburizing and nitriding,
sulfur attack, high-temperature strength and thermal deformation, hot and humid corrosion
heat-resistant alloys
03
QUALITY
"Uncompromising Commitment to Quality Extensive Track Record with Leading Domestic Manufacturers"
What INOUE Corporation delivers to our customers is “peace of mind and safety.”
Since our founding, we have accumulated high service quality through long-standing relationships with many companies, including Hitachi, Ltd.
The history and determination we have maintained are reflected in our solid corporate strength.
To enhance the accuracy and efficiency of our operations, we have obtained ISO9001 certification—a rarity among trading companies without production bases.
We acquired ISO9001 in 2013, transitioned to the 2015 version in 2017, and have gained expertise in quality management, enabling us to provide thorough services that ensure peace of mind and trust for our customers.

Furthermore, in the sales of high performance alloys and other materials and insulation materials for the aerospace sector, we have obtained the “AS9120B” certification, an aerospace quality management system, aiming for even higher standards of quality control.We actively support not only imports from overseas but also the expansion of exports of metal materials and insulation materials handled by our domestic partners, contributing to the global development of the aerospace industry.
Through these efforts, we are committed to providing highly reliable products and services to customers both in Japan and abroad.
Certification Overview
  • 2013: Obtained ISO9001:2008 certification
  • 2017: Obtained ISO9001:2015 certification
  • 2025: Obtained AS9120B certification
04
COLLABORATION
"Striving to Become the No.1 Metal Materials Trading Company
Through Continuous Creation of Business Models"
At INOUE Corporation, we create new business models and build strategic, mutually beneficial relationships by leveraging our network of partner companies, including processing companies for various steel materials with whom we have established trust.
For example, in fields such as semiconductors, where companies often face chronic labor shortages, we focus on connecting processing companies with advanced technologies to those in need, promoting collaboration among manufacturers in adjacent industries.
By acting as an intermediary and contributing to the supply of necessary materials, Inoue realizes a “win-win-win” relationship, fostering unique value creation and innovation for the future.
"Connecting Processing Companies in Eastern and Western Japan—Fulfilling the Role of Coordinator"
As a specialized trading company for high performance materials, we maintain relationships with major material and raw material manufacturers, enabling us to obtain the latest information in real time.We constantly obtain valuable information, such as efficient processing methods.
It is also Inoue’s role to share the latest knowledge we have obtained with our users.
Contact
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Japanese