| Year | Historical |
| 1997 | Joint Venture between Showa Highpolymer Co., Ltd. of Japan and Eternal Resin Co., Ltd of Thailand. |
| 1998 | Started Production for Domestic and Export Market |
| 2006 | Certified for ISO 9001 : 2000 by TUV NORD (Quality Management System) |
| 2009 | Certified for ISO 9001 : 2008 by TUV NORD (Quality Management System) Certified for ISO 14001 : 2004 by TUV NORD (Environmental Management System) Certified for OHSAS 18001 : 2007 by TUV NORD (Occupational Health and Safety System) |
| 2010 | Joint Venture changed. (After Showa Highpolymer became part of Showa Denko KK) |
| 2014 | New Warehouse |