Last updated : 03/17/2025
Chugoku Ryoko Co., Ltd.
- President
- Masaki MIURA (Mr.)
- Year established
- 1971
- Capital
- 85,000,000 yen
- Postal (zip) code
- 734-0013
- Company address
- 2-22-66 Dejima, Minami-ku, Hiroshima-shi
- Phone
- 082-256-0800
- Fax
- 082-251-9213
- URL
- https://chugoku-ryoko.com/
Company PR
Chugoku Ryoko produces and sells ready-mixed concrete at three locations, namely its Hiroshima Plant (Hiroshima City), Yamaguchi Sales Office (Hofu City, Yamaguchi Prefecture), and Matsue Sales Office (Matsue City, Shimane Prefecture). Employing ready-mixed concrete chief technicians and engineers, the company gives the highest priority to quality, and is capable of making deliveries that meet customer needs. In particular, Chugoku Ryoko has been approved by the government to deliver high-strength and high-performance ready-mixed concrete needed for the construction of tall buildings and other projects.
Major Products
- Ready-mixed concrete
Major Customers
- Mitsubisi UBE Cement Corporation
- Hiroshima Ready-mixed Concrete Cooperative
- Central Yamaguchi Ready-mixed Concrete Cooperative
- Matsue Ready-mixed Concrete Cooperative
Major Facilities/Equipment
- Double-shaft power mixer 1
3000 L（Hiroshima plant)
- Mixer truck (hired) 10
Large size (Hiroshima plant: 10 units)
Technology Employed
- Ceramics/ceramic products manufacturing industry
- High-fluidity concrete
- Ceramics/ceramic products manufacturing industry
- Water-resist anti-separation concrete
- Ceramics/ceramic products manufacturing industry
- Low-heat generation/high-strength/high-fluidity concrete
- Ceramics/ceramic products manufacturing industry
- Ultra high-strength concrete
- Ceramics/ceramic products manufacturing industry
- Heavyweight concrete
- Ceramics/ceramic products manufacturing industry
- Ultralight concrete
- Ceramics/ceramic products manufacturing industry
- Porous concrete
Primary Area of Technical Expertise
1. Production of high-strength concrete
2. Production of high-fluidity concrete
3. Production of water-resist anti-separation concrete
4. Production of heavyweight concrete
Future Business Challenges
- Improve technologies for creating added value products to address diversifying customer needs.
- Develop and produce high quality concrete at low costs.
- Develop various cement/mixed concrete application technologies collaborating with the parent company, Mitsubishi Materials Corporation.
Future Technical Challenges
- Ceramics/ceramic products manufacturing industry
- Development of sophisticated technologies to address social requirements such as anti-earthquake measures and recycling.
Other
The Hiroshima Factory received an excellent factory award in the national quality control audit.
Currently, the Hiroshima Factory has been independently certified by the Minister for high-strength concrete.
The Yamaguchi Sales Office outsources production to Hofu Kyodo Namacon Co., Ltd. while the Matsue Sales Office outsources production to Matsue Ube Kyodo Namacon Co., Ltd.
