1993

Founded with an authorized capital of NT$1,000 million. 
The total paid-up capital is NT$545 million.
Obtained Class A License of Water Treatment Engineering Registration.
1995 Obtained Environmental Protection Engineering Registration.
1997 Obtained Class A Engineering License for water pollution control, air pollution control
& waste treatment.
Public offering of stocks carried out.
1998 Awarded the 6th of the fastest growing companies in 1998.
1999 Granted ISO-9001 Quality Assurance Certification.
2000 A listed corporation on Taiwan OTC market.
ISO-9002 certified.
2001 Listed on the Public Stock Market (upgraded).
Obtained the Certificate of OHSAS-18001.
2002 Contract Award of Chenchin Lake Water Treatment Plant Advanced Treatment
Extension Project including 15 years of O&M. (Contract amount: NT$5,000 million)
2004 Awarded the Engineering Excellence Award for ¡§Chenchin Lake Water Treatment
Plant Advanced Treatment Extension Project¡¨ from the Chinese Institute of Engineers.
Increasing paid-up capital to NT$901 million.