2006
· Patent registration related to loess (10-2006-0040057)
2005
· Environmental Mark Certification (Environment Mark Association)
· Patent registration for Easycoroad (40-2005-0039481)
· Patent registration related to loess (20-2005-0021499)
· Patent registration related to Synthetic resin(10-2005-0088487)
2004
· Patent registration related to waterproof sheet (10-2004-0063989)
· Excellent recycled product certification (Ministry of Commerce, Industry and Energy)
2003
· Patent registration related to polyurethane (10-2003-0030837)
· 4th factory building construction
2001
· Patent registration related to polyurethane (10-2001-0031076)
1993 ~
· Supplied rubber powder raw materials to many domestic elastic packaging materials construction
1993
· Produced materials for elastic flooring and rubber blocks