压电  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.

FAULHABER is an independent family-run group of companies with its headquarter in Schönaich near by Stuttgart in the German state of Baden-Wuerttemberg, one of the economically strongest regions for industrial high technology in Europe.
Founded in 1947 FAULHABER offers today the most extensive range of miniature and micro drive systems available from a single source worldwide. On the basis of this technological diversity, FAULHABER designs drive solutions that are unique with respect to their precision and reliability in the smallest of spaces. Their main areas of use include production automation and robotics, aerospace, optical systems as well as medicine and laboratory technology.
In addition to Germany, FAULHABER maintains development and production locations in Switzerland, USA, Romania and Hungary. Moreover, there are sales partners and subsidiaries in more than 30 countries around the world. At present, the drive specialist has more than 1,700 employees.

莊信万豐壓電產品（www.piezoproducts.com）設計和製造具有電子和機械元件的壓電陶瓷，元件和壓電系統，滿足全球客戶特定的要求和應用。我們提供，其中包括：
+壓電陶瓷，平板，特殊和微型
+壓電元件
+壓電式彎曲傳感器，彎曲執行器，傳感器，Monomorph，Bimorph，Trimorph
+集成了壓電元件，機械和電子元件的模塊
+紡織工業的壓電模塊，提花，經編，圓形針織，SITEX
+超聲波吸入器，霧化器，加濕器，Mesh, LIQUIFOG, AUTOFOG
+閥門，氣動，微流體，微型泵的壓電元件
+盲文壓電元件
我們是壓電彎曲傳感器的世界領先者。
我們的產品找到他們的應用程序i.a.在工業，紡織機械和醫藥。
我們是全球領先的特種化學品和先進材料生產商莊信万豐集團（Johnson Matthey PLC）的成員，該公司成立於1817年，業務遍及30多個國家和約12,000名員工。訪問www.matthey.com，了解更多關於集團，全球結構，業務，產品和歷史的信息。