History

Year	Content
1948	Founded Dohkai Chemical Industries Co.,Ltd. with a capital investment of 500,000 Yen in Fukuoka. Started operation of dryer and finish work process for Type C Zeolite at Asahi Glass Co.,Ltd. Kita-Kyushu factory.
1951	Started test production of Silica gel.
1967	Increased capital to 60,000,000 Yen.
1968	Started the manufacture and sale of sodium metasilicate.
1985	Started production and sales of M.S.GEL.
1990	Started production and sales of SUNSPHERE.
1998	Started sales of new type silica gel “SUNLOVELY”.
1999	Opened fine particle Processing Center.
2002	Opened Tokyo Sales Office (present Tokyo Branch).
2003	Approved ISO9001.
2004	Newly opened Technical Center.
2006	Changed company name to Asahi Glass SI-Tech.Co.,Ltd. Approved ISO14001.
2007	Changed company name to AGC Si-Tech.Co.,Ltd.
2010	Approved OHSAS 18001 ;Return the approval in 2014.