Established in
February 1972
The head office is established in Akasaka, Minato-ku.
The company sells and consigns silica fume (from various iron alloy companies),
attapulgite (from America), and other special inorganic mineral products.
August 1972
Becomes a sales agent of perlite filter aid (Dicalite Orient is now the perlite
division of Mitsui Mining and Smelting Co., Ltd.)
October 1972
Becomes a sole agent of perlite light-weight aggregate (Asano Perlite Co.
(Obsidian) is now Taiheiyou Perlite Inc.)
Begins the import and sale of Chinese-made calcined magnesite, etc.
Begins the import and sale of purified alpha cellulose powder from West
Germany for liquid purification, various kinds of fillers, and monolithic
March 1983
Main office is relocated to Aoyama, Minato-ku.
August 1983
Begins the purification and sale of fibrous sepiolite (alpha type) under
the product name “Cerabora.”
July 1995
Begins the development of synthetic clay using silica fume. Acquires
process patents in 1998 (USA), 1999 (Europe), and 2001 (Japan).
April 1996
Begins the joint production and sale of silica fume slurry in conjunction
with Fimatech, using their techniques for inorganic fine particle slurrification.
September 2000
Forms a special contract with a Chinese manufacturer of attapulgite.
Begins the import and sale of the Chinese attapulgite based on
the technological guidance of an American manufacturer.
November 2001
Main office is relocated to Kobuba-chou, Nihonbashi, Chuo-ku.
March 2011
Main office is relocated to  Ningyou-chou,
Nihonbashi, Chuo-ku.
June 2019
Main office is relocated to its current location at Kayaba-chou,
Nihonbashi, Chuo-ku.