| 1948 |
Site approved for production of chemicals |
| 1954-1972 |
Production of lindane |
| 1957-1998 |
Production of thioglycollic acid |
| 1959 |
Start of pearlescent pigment production |
| 1971 |
Start of inorganic chemicals production |
| 1975 |
Water treatment plant comes online |
| 1976-2001 |
Production of biotin (Vitamin H) |
| 1982-1991 |
Production of Vitamin B6 |
| 1992 |
Start of vapor deposition chemicals production |
| 1995 |
ISO 9001 certification |
| 1996 |
Start of crude silica gel production |
| 1999 |
Expansion of pigment production |
| 2000 |
Start of production of liquid crystal precursors |
| 2000 |
ISO 14001 certification |
| 2002 |
Further expansion of pigment production |
| 2005 |
Capacity enlargement for liquid crystal precursors |
| 2007 |
Capacity enlargement for crude silica gel |
