2010.
03 Participated in CeBIT 2010
05 Participated in CeBIT(Australia) 2010
06 Established new owned factory & head office.

2009.
03. Participated in CeBIT 2009
04. FDA 510(k) & DOT approval with OEM brand
10 Launched new fuel cell type breathalyzer DA-8100 for personal user market.
10 Participated in Hong Kong Electronics Fair (Autumn Edition)
11 NF standard for French market

2008.
05. Participated in Hong Kong Electronics Fair (Spring Edition)
06. Launched a fuel cell type breathalyzer DA-8000
08. Participated in IFA 2008
10. Participated in Hong Kong Electronics Fair (Autumn Edition))

2007.
03. Launched semiconductor type breathalyzer DA-5000 (standard type)
06. Launched semiconductor type breathalyzer DA-3000 (economic type)
07. Launched semiconductor type breathalyzer DA-7000 (deluxe type)

2006.
06. Appointed as "Promising Export Firm" by the government
08. Certified as "INNO-BIZ Enterprise" by the government
08. Designated as "Promising Enterprise" by the government

2005.
06. Registered as "Venture Business Company" by the government
06. Established & Registered R&D Center
07. Registered ISO 9001 certification

2004.
01. Made an OEM agreement for digital breathalyzers
03. Made a development contract for a gas leakage detection system
04. Launched semiconductor type breathalyzer AL-5000

2003.
05. Made a development contract for a digital breathalyzer

2002.
02. Established DA Tech Co., Ltd