2014 Japanese Nippon Signal Co., Ltd as long-term investor to purchase 6,000,000 shares with accumulated shareholding percentage 2.98%.

2013 To invest AYM International Inc. Guan in October in the businesses of selling and servicing electrical equipment and project engineering.

2012 Hsin Chuang factory was certified High voltage equipment manufacturer and registered recognition under Taiwan Economy Affair in January.
Yang Mei factory was certified High voltage equipment manufacturer and registered recognition under Taiwan Economy Affair in July.

2011 Hsin Chuang laboratory was certified by TAF
Yang Mei laboratory was certified by TAF
To pursuit better corporate governance and form Salary Compensation Committee.

2010 Both Hsin Chuang and Yang Mei factories have been certified with OHSAS18001 & TOSHMS Working Safety & Hygiene management system.
Yang Mei factory certified ISO14001 environmental management
Both Hsin Chuang and Yang Mei laboratories were certified by TAF ISO/IEC17025 laboratory quality management system.

2009 Acquire manufacturing facility from German Hedrich to increase productivity Acquire manufacturing facility to increase productivity on Cast Resin transform.

2008 Joint-Ventured with China Qing Dao Heng Yuan group to set up Qing Dao Heng Yuan – Allis Electric Co., Ltd manufacturing and distributing electrical gas switch.
Acquiring manufacturing facility to increase productivity on Cast Resin transform.

2007 Investment in Qing Dao Le Min Telecommunication Apparatus Co., Ltd in China which is in the business of Telecommunication and electrical switch manufacturing and distribution.

2006 Investment in Intelicis Corporation in the business of Wireless RF network sales and development.

2005 Investing UK AEC Power Control Ltd to extend power electronics products in Europe region in August.

2004 Investing China Qing Dao Yi He Allis Transformer Co., Ltd to produce & sell transformer products in March.

2003 Yang Mei factory was certified by OHSAS18001 safety & hygiene control system

2002 Establish subsidiary NIPPON-ALLIS SIGNAL Co., Ltd to Sales, installation and maintenance of railway signal system and related equipments in March.

Investing China Qing Dao Yi He Allis Gas Co., Ltd to produce & sell Power Switch products.

2001 Establish subsidiary NIPPON ALLIS UNION ION EQUIPMENT Co., Ltd to Sales and maintenance of the ion implanter and related equipments in May.

2000 Established subsidiary AEC S.P.A in Italy to distribute and sell UPS & SMR products in December.

1999 Technical collaboration with Australia Rectifier Technology to produce Switch Mode Rectifier in December.

1998 Technical collaboration with Italy Powertronix S.P.A to develop High frequency 3 phase UPS in June.

1997 Technical collaboration with Nissin Electric Corporation to produce 25.8KV GIS in June.

1996 AEC Switchgear and Transformer were awarded Golden product & Best function by Taiwan Power Electronics Association in March.

1995 Established subsidiary ARES Technology Co., Ltd to manufacture & sell UPS in April.
Established subsidiary Allis Communication Co., Ltd to manufacture & sell Car Navigation System, GPS and communication antennas, Timing Synchronized System.

1994 Initial public offering of company shares completed in March.
Yang Mei and Hsin Chuang factory accredited with ISO 9001 quality assurance system certification.

1993 Nissin-Allis Electric Co., which is joint ventured with Nissin Electric Corp. setting up plant to produce SF6 Gas Capacitor and Gas Insulated Switch in May.

1992 Technical collaboration with German ABB to produce MNS type MCC

1991 Technical collaboration with USA Kearney National Inc in October. Technical collaboration with USA International Power Machines Corp. to produce UPS.

Joint venture with Nissin Electric Corporation, Japan and set up Nissin-Allis Electric Co., Ltd. for producing SF6 Gas Capacitor and Gas Insulated Switch.

1990 Initiating Yang Mei factory phase 4 construction.

1989 Investment memorandum exchanged with Nissin Electric Corporation, a leading listed company in Japan, to include Nissin as a legitimate foreign corporate investor.

Established affiliate Air King Industrial Co., Ltd Technical transferring agreement with Taiwan
Industrial Technology Research Institution on RTU in May.
Technical collaboration with USA based Kearney National Inc to produce Cut Out in December.

1988 Third phase completion on Yang Mei factory expansion in October.
Approved to establish AEC factory satellite center system in November.

1987 Second phase completion on Yang Mei factory expansion in July.

1986 First phase completion on Yang Mei factory expansion in April.
Technical collaboration with Japanese company to produce GAS Switch 15KV below in November.

1985 Set up testing facility to be the first factory in Taiwan to received type test in recognizable association.

1984 Yang Mei factory started expansion on production of Dry type transformer & Metal Clad Switchgear.

1983 Technical collaboration with Siemens Energy & Automation Inc on 161KV ABS in May and certified by Taiwan Power company in November.

1982 Conduct QCC exercise in September.
Awarded of Excellent Quality Assurance factory from Taiwan Economy Affair.

1981 The first in Taiwan to technical collaboration with German company TU to produce 24KV 2500kVA below transformer in October.

1980 Yang Mei factory expansion in April.

1979 Technical collaboration with Japanese company to produce telecommunication used rectification equipment.

1978 Joint Venture with Japan Marine company to establish Taiwan Marine Electric Co., Ltd
Technical collaboration with Japanese company on Switchgear product in April.
Technical collaboration with USA Siemens-Allis Inc to produce 69KV ABS in September.
The factory was rated Grade A factory by Taiwan Economy Affair.

1977 Transformer & Switchgear Gear products were rated Grade A in Quality Assurance by Taiwan Economy Affair.

1976 Incorporate affiliate LE MIN Industrial Co., Ltd

1975 Technical collaboration with Japanese company to produce Vacuum Cut-out(24KV&below)

1974 Hsinchuang factory completed and started production

1969 First factory completed and started production.

1968 Company established on Sep. 25.

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