本课题是开发武进市吉鑫玻璃切割系统项目中的一个组成部分，目前，这套系统正处于应用之中，并取得了良好的经济效益。
This thesis is a component of Wujin Jinxin glass incision system, which has being used so far, and enterprise achieve good economic benefit.
武进市江南讯响器厂成立于1988年，是一家专业开发。生产。销售蜂鸣器（电磁式&压电式） ，薄型喇叭和驻极体传声器等股份制企业。
Jiangnan acoustic factory was established in 1988 . it is a joint stock company which develops produce and manages buzzer ( magnet buzzer & piezo buzzer ) , mylar speaker and transducer etc.
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