1983.11 established in Korea cooperating with KTB Co.
1984.03 Developed AVR（automatic voltage adjustor）and obtain 3 patents.
1984.11 acquired " Pratical High & New Technology Prize" awarded by the president of South Korea.
1986.07 Developed USP( uninterruptable power supply)
1986.12 establish TIAC Power Technique Co.,Ltd in Anyang City
1987.02 won approvals from ADB " best medium & small sized enterprise"
1989.03 developed micro-UPS applied in over 3300 governmental units and regions.
1989.12 Cooperated with DELTEC Crop.,U.S.A to set up R & D center.
1990.01 technique cooperation with Jinnes Tech.and Cykics Software,U.S.A.
1991.12 founded computer and telecom dept.S/W sales system
1992.12 won"EMI","K" authentication.
1993.06 developed FACON sales system to enable products countryside sales.
1993.11 abtained“”authentication
1993.12 developed medium sized UPS with low noise
1994.10 developed large sized muli-functional UPS with low noise
1994.12 eatablish American TIAC Power Equipment Co.,Ltd
1995.04 Gained ISO/KSA9002,"POOM","UL" accediation
1995.10 obtained “KETI”、“Q”accediation
1996.12 founded No.2 factory
1998.04 passed ISO/KSA9001 cetification
1998.09 won EQ Standard Accediation
1999.05 birth to 1% precise AVR“1-Pro”
2000.06 established Woomi（China）Power Technology Co.,Ltd
2001.04 become a member of Chinese Power Supply society
2002.05 factory in mainland China passed ISO9001:2000 International Standard Accediation
2003.01 naissance to new-styled patent product" Number Electricity Saver".
2003.02 won approvals from Chinese National Knowledge Patent Bureau," Practical New-style Patent Certificate"
2003.02 Obtained " Telecom Equipment Network License" from R P. China Information Industry Dept.
2003.10 Kunshan BaoyouPower equipment Co.,Ltd Establish, responsible for East China , North China , sale and services after sale