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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 plants: Hiroshima plant (Hiroshima City), Hofu plant (Hofu City of Yamaguchi prefecture), and Matsue plant (Matsue City of Shimane prefecture). With 6 senior engineers and 10 engineers, the company gives the highest priority to quality, and is capable of deliveries that meet customer needs. In particular, Chugoku Ryoko has been approved by the government for delivering the high-strength and high-performance mixed concrete that is required for projects such as the construction of tall buildings.

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 3
  3000 L(Hiroshima plant) 1500 L(Hofu Kyodo Namacon Co.,Ltd.) 2500 L(Matsue plant)
Mixer truck (hired) 26
  Large size (Hiroshima plant: 10 units) (Hofu Kyodo Namacon Co.,Ltd.: 12 units) (Matuse plant: 4 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 Hofu Factory has outsourced manufacturing business to Hofu Kyodo Namacon Co., Ltd. and is jointly operated with other company.

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