精密电子学  制造商、经销商、供应商

Hongchang(changzhou) Electronic Co., Ltd established in 1997 and have more than 25years produce experience. It covers an area of 9,000 square meters and a building area of 11,000 square meters.
Our main products are Speaker unit, buzzer, piezo element, ultrasonic sensor and audio jammer.
Speaker: mylar speaker, audio speaker, car speaker, TV speaker, woofer speaker, waterproof speaker, speaker driver
Buzzer: piezo buzzer, piezo transducer, magnetic buzzer, magnetic transducer, mechanical buzzer, SMD type
Ultrasonic sensor: 25Khz ultrasonic sensor, 30Khz ultrasonic sensor, 40Khz ultrasonic sensor
Piezo element: Size from 10mm-50mm
Now we have more than 200 staffs, especially including 18 acoustic engineers, provide products customization service, offer free sample for test.
we are focus on product innovation , Management innovation. The quality of product wasrecognized by customer from all over the world.

Systempartner für Industrie- und Medizin-Elektronik
Elektronik, die funktioniert, kommt von Menschen, die Bescheid wissen.
Wir realisieren Elektronikprojekte von der Idee bis zur Serienproduktion.
Ihr Partner für:
+ Elektronik-Entwicklung
+ Leiterplatten-Layout
+ Prototypen & Industrialisierung/NPI
+ Elektronik-Produktion

LTN Servotechnik GmbH是一家位于慕尼黑南部的中型工程公司。我们专注于为世界各地的设备、机械和工厂工程客户开发、设计和系列制造配件。
至少，那是官方的描述。
我们还将自己定义为一个250多人的团队，由对技术的真正热情团结在一起。我们一起努力更好、更有效、更可持续地创造、设计和实施许多事情。
我们相信，精确始于对一个问题、一个愿景或一个技术挑战的精确理解--简言之，始于我们客户的需求。
我们也相信，一个想法只有在通往系列化制造的路上伴随着热情和投入的员工才是好的。我们相信技术。在使用它的人身上。
欢迎来到LTN。

In May 1995, TELEMESS, Telemetrie und Messtechnik GmbH (telemetry and measuring technology corporation) was founded by employees of Dornier GmbH who worked in the "industrial system technology" business. The activities from this business were assumed by the TELEMESS GmbH and still continue successfully to this day:

• measuring technology
• telemetry
• Electronics development (hardware and software)