About Us

Create next generation of Aji-stone

Daitetsu, Inc.

Daitetsu, Inc. was established for the land management (other than forest).
Currently, our object is software development, maintenance and management of General of computer related equipment for the group companies. And we are also developing new products using Aji stone.

COMPANY Daitetsu, Inc.
ADRESS 10-7 Aji-cho Takamatsu-shi, Kagawa-ken JAPAN 761-0130
PHONE / +81-87-871-4853
PRESIDENT Kazuhiko Ookubo
HISTORY Established in September 25, 1986


  • Wholeheartedly works of Aji Stone in handmade

    Daiseki Industry, Inc.

    The only stone processing company in Japan that deals with only Aji stone.
    It deals with only superlative Aji stone delivered from 10 affiliated suppliers of “ochoba” to self-possession.

  • Protect the production area of Aji Stone, and build the history.

    Ookubo Enterprise, Inc.c

    it’s a company that manages 600,000 square meters mountain of which the Okubos owned. Their business is following:

    • Flood control forest conservation work.
    • Instruction mining operations to 10 miners companies, and coordination with them.
    • Adjustment with relevant public organization for the authorization projects based on quarrying method.
    • Enlightenment activities of Aji Stone such as “Mure Genpei Ishi Akari Road”