| Feb. 1930 | Established Kansai Jyari(Gravel) Co., Ltd. (Capital:JP\450,000) |
|---|---|
| Jan. 1956 | Capitalized by Onoda Cement Co., Ltd.(TAIHEIYO CEMENT CORPORATION) |
| Apr. 1966 | Started a distributor of KAO’s chemical products(admixture for concrete) |
| Aug. 1968 | Started crushed aggregate plant at Tanga-island, Ieshima-cho, Himeji-city, Hyogo prefecture |
| Sep. 1974 | Increased Capital to JP\48,000,000 |
| Jun. 1984 | Started Ceramics business (business tie-up with Otsuka tekko mill and Toshiba Ceramics) |
| Jan. 1986 | Started supplying earth and sand for reclamation of the first term construction of Kansai International Airport |
| Oct. 1987 | Started a distributor of ONODA’s building mateials |
| Sep. 1988 | Esatblished Ceramics powder R&D Center in Amagasaki |
| Jul. 1991 | Started supplying aggregate for concrete of the construction of Kansai International Airport |
| Oct. 1991 | Constructed wollastonite plant for an alternative material source for asbestos in Shizuoka prefecture |
| Nov. 1992 | Renamed as Kansai Matec Co., Ltd., started supplying aggregate for concrete of the construction of the Akashi Channel Bridge |
| Mar. 1997 | Started sales tie-up of KM Super mill with Kobe steel |
| Nov. 1999 | Started supplying earth and sand for reclamation of the second term construction of Kansai International Airport |
| Sep. 2000 | Started importing river sand of Fujian from China |
| Oct. 2000 | Started supplying earth and sand for reclamation of the construction of Kobe Airport |
| Apr. 2004 | Started a distributor of the Sumikin-Kohka’s Slug products |
| Feb. 2007 | Stopped importing river sand of Fujian from China |
| Oct. 2007 | Established Kobe Technical Center(Abolished Ceramics powder R&D Center in Amagasaki) |
| Apr. 2008 | Moved Head office in same building |
| Dec. 2008 | ISO 9001:2000, registered, Wollastonite Division |
| Nov. 2009 | ISO 9001:2008, registered, Wollastonite Division |
| Feb. 2010 | Celebrated 80th anniversary of the foundation |
| Apr. 2011 | Took over a quarry from Aioi Shigen Kaihatsu Co., Ltd., started Aioi Plant of Kansai Matec Co.,Ltd. |
| Aug. 2011 | Moved Head office to Minamihonmachi |
| Nov. 2019 | ISO 9001:2015, registered, Wollastonite Division |
| Feb. 2020 | Celebrated 90th anniversary of the foundation |
