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Company Milestone
- 1994 Company founded
- 1997 Became well-known, and was the biggest Electret Condenser Microphone manufactuer that time in China
- 2004 Share holders seperated,company reconstruction, continue to use NAC brand,started to manufacture speakers
- 2006 Started to manufacture Buzzers
- 2008 MEMS microphone started volume production
- 2010 Weifang factory move to Economic Development Zone
- 2015 Balanced Armature Receiver started volume production
- 2016 Huizhou Factory founded
- ......