压电控制  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.

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。