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	2014year The US branch and Taiwan branch were formally established, with marketing bases all over the world 
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	2012year Dongguan Branch, Shenzhen R&D Center, Wuxi Branch and Hong Kong Branch were formally established 
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	2006year Edac Electronics Technoloy (Hangzhou) Co., LTD was established and officially entered the field of automated inspection 
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	2001year The first loudspeaker industry's first FO tester capable of measuring over 3 inches and below 500 Hz---ECE-02 was launched 
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	2000year Leading the industry, successfully independently developed synchronous acquisition card hardware and automatic calibration software 
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	1998year Dongguan Dalang EDAC Electronic Products Factory was established, mainly engaged in the field of speaker testing