About Iijima Koukan
Only One, and Beyond.
To support our customers' success and growth Iijima Koukan is constantly evolving.
We are committed to providing quality products and services based on our unique technologies and ideas, and to delivering services that will make our customers completely satisfied. Symbolized by our quality policy of "Only 1 Quality," Iijima Koukan has never stopped moving forward. It is a journey of continuous evolution to bring smiles to our customers' faces and to change yesterday's ideals into tomorrow's reality. Iijima Koukan is committed to continuing to go beyond the "Only One" for the sake of our customers.
Business Information
Pipe & Tubing Division
Mechanical Processing 
Industrial Materials We deliver our evolved one-stop service from two locations.
Yoshikawa Plant, which meets the most advanced requirements, and Tsuchiura Branch, which specializes in the needs of the local area.
The Yoshikawa Plant, which consolidates all of our advanced technology and know-how as a professional in steel pipe and machining, is our flagship plant that responds to all customer needs. The Tsuchiura Branch, which offers mainly small- to medium-diameter steel pipes, machining, and a full lineup of industrial materials, is a community-based base that specializes in the needs of the area. Regardless of the location, we have increased our know-how in all aspects of stock, processing technology, and human resources to provide a one-stop service that continues to evolve and improve.
Business divisions within each plant work together to Smoothly resolve various issues.
Multiple divisions within the same plant can respond in close communication and cooperation. This is a major strength of Iijima Koukan. What is the best material? What is the most efficient processing method? We are often consulted during the design stage to make total proposals that take into account such questions. If you have any questions, please feel free to contact us.
Yoshikawa Plant
pipe & tube
machining
We have acquired ISO9001 certification We are pursuing further quality improvements.
In September 2018, the Yoshikawa Plant acquired ISO 9001 certification for its quality management system from the International Organization for Standardization. We are committed to thorough quality control and delivering products and services that consistently satisfy our customers.
- Scope of Certification: Yoshikawa Plant
- Cutting and machining of various steel pipes and other steel materials
Conducting regular internal safety patrols to maximize workplace safety
Every month, two persons in charge triple check the aisles, emergency exits, tidiness around machines, check for crane malfunctions and stopping positions, lifting equipment management, line markings, etc. If any problems are found, they are shared at meetings and improvements are made to improve safety.
Tsuchiura Branch
- pipe & tube
- machining
Industrial Materials
Skill, experience, and teamwork
All of which will lead to a smile on your face.
Sharing technology and know-how to provide higher quality services to our customers.
Our three business themes are "cutting steel pipes as requested," "processing pipes according to needs", and "supporting construction work with necessary materials.” At Iijima Koukan, each division pursues its own expertise and firmly shares its accumulated technology and know-how beyond the boundaries of divisions, sales, and on-site personnel. We provide our customers with higher quality services that are the result of these efforts.
Promoting the creation of a workplace environment where all employees can demonstrate their abilities
In addition to ensuring safe and efficient work, we promote the creation of a comfortable work environment that focuses on ease of work, including comfortable spaces for communication and relaxation. A work environment where each and every employee is highly motivated and passionate about their work enhances performance and leads to the delivery of high quality services that satisfy our customers.
Supporting Iijima quality, each and every one of us
We support the ambition and career development of each and every one of our employees.
Strong teamwork based on smooth internal communication is one of the traditions of Iijima Koukan. By combining everyone's strengths, we can achieve a greater synergistic effect. The source of powering up this effect is the improvement of individual skills. Iijima Koukan supports each individual's ambition and career development by, for example, introducing a reward system for those who pass the national examinations for NC lathes, CAD, etc.