>> History

May 3, 1989

   Concluded license and basic engineering agreement for 1,4-BDO with Davy International Project Ltd. (currently Davy Process Technology Ltd.)

May 10, 1989

   Concluded license and basic design agreement for MAH with ABB Lummus Crest Inc.

May 24, 1989

   Established Shinwha Petrochemical Co., Ltd.

January 21, 1991

   Concluded license and basic engineering agreement for THF with Davy International Project Ltd. (currently Davy Process Technology Ltd.)

October 31, 1991

   Completed construction of Ulsan Plant for MAH, BDO & THF.

December 17, 1992

   Established Shinwha PTG Co., Ltd.

June 1, 1994

   Completed construction of PTMEG Pilot Plant and developed PTMEG process and technology.

October 31, 1996

   Completed construction of PTMEG Commercial Plant at Ulsan.

August 23, 1997

   Won a prize for PTMEG Process and plant engineering technology from Government.

November 20, 1997

   Acquired “KT” Mark (Excellent Korean Technology) of PTMEG from Government.

April 1, 1998

   Merged Shinwha PTG Co., Ltd. to Shinwha Petrochemical Co., Ltd.

June 16, 1999

   Took out a patent on the new PTMEG Process in Korea.

September 29, 1999

   Established Korea PTG Co., Ltd.

December 14, 1999

   Transferred the Business of Shinwha Petrochemical Co., Ltd. to Korea PTG Co., Ltd.

March 1, 2000

   Completed construction of PTMEG Expansion Plant at Ulsan.

August 12, 2002

   PTMEG Technology Licensed to Shanxi Sanwei Group.

November 27, 2002

   Changed the largest shareholder into Yongsan Chemicals, Inc.

July 17, 2004

   PTMEG Technology Licensed to China National Petroleum Corporation (CNPC) Qianguo Refinery.

February 26, 2008

   PTMEG Technology Licensed to Shanxi Sanwei Group for Expansion Project.