2010
02. HI-YP(Shock-resistant PVC for Water) designated as best product by Public Procurement Service (No. 2009248).
05. CPVC PIPE(Synthetic Resin Pipes for Fire Protection) certified (Korea Fire Industry Technology Institute).
2009
05. Added 1 PVC PIPE Polarizer
07. Patented PVC Pipe Containing Carboon Fibers (#10-10909183).
10. HI-YP(Shock-resistant PVC for Water) acquired K Mark (Korea Industry Technology Institute).
11. Acquired KS M3413 Permission for Coextruded Poly PVC Plastic Pipes with A Cellular Core (#08-0460).
12. Acquired KS M3404 Permission for Hard Poly PVC Pipes for General Use (#09-0527).
2008
01. Installed PVC joint injection molder.
06. Added 80 extruder.
2007
04. Installed PVC pipe polarizer.
05. Signed third-party unit price agreement with Public Procurement Service.
11. Acquired KS Mark for Shock-resistant PVC Pipe for Water (HI-VP).
2006
02. Established and certified R&D Division.
05. Added 85 extruder
10. Shock-resistant PVC Pipe for Sewer (HIVG).
11. Joined Korea Water and Wastewater Works Association.
12. Acquired ISO 9001 Certificate.
1997
02. Awarded Excellency in Management Award (Small Business Administration)
1996
05. Added one more unit of 90mm extruder Designated by government as a military service-waiver company with special conditions
11. Increased capital by 100 million won upon designation of a military service-waiver company with special conditions
1995
12. Expanded land size for factory by 1,980㎡
1993
03. Designated by government as a prospective mid-sized company
1992
01. Issued factory registration certificate
Registered as Class 1 electric product manufacturer
02. Joined Korea Federation Plastic Industry Cooperative
03. Acquired KS mark certificate for coextrusion PVC pipe(FG & FC pipes) with expanded core layer (No.9036)
05. Joined Korea PVC Pipe KS mark certificate holders' Committee
Commenced delivery of FC pipes to KT
Acquired KS mark certificate for PVC pipe for tap water (No.9082)
Acquired KS mark certificate for PVC pipe for sewage (No.9083)
06. Acquired KS mark certificate for crosslink polyethylene pipe (XL Ondol pipe) (No.9134)
10. Oct.Acquired KS mark certificate for PVC electrical conduit (No.9039)
1991
04. Inroduced manufacturing facilities for crosslink polyethylene pipe
12. Introduced in-house quality management
1990
07. Established You young Chemical Co,. Ltd
12. Introduced extrusion molding and mixing automation facilities