压电蜂鸣器  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.

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The main focus of our products is structured in the fields of Acoustics, Inductivities, Cable-Connector, Accumulators
Work out your requirement profile with us.
We offer you, supplementary to standard, special solutions oriented on your application. As your contact partner for development as well as toolmaking we attend you during the entire project phase. In close arrangement with our Product Manager in Asia, the implementation will be co-ordinated and carried out.
With pleasure we'll discuss with you our potentialities to provide you with even different products:
Acoustics:
SMD Buzzer, Pin Buzzer, Electrodynamic or and magnetic Transducer, Pieze Buzzer or Transducer, Mini Speaker or Loudspeaker, Receiver unit, SMD Electret Microphone, Ultrasonic Sensors
Inductivities:
SMD Coil, Inductors, shielded and unshielded, Filters, Toroidal Coils, Tansformer, DSL, ADSL, ISDN, Voice over Internet Protocol (VoIP), Switching Power Supply, Adapters
Accumulators:
Lithium Polymer Ionen batteries, Lithium Cobalt Dioxide LiCoO2, Lithium Mangan LiMn2O4, Lithium Iron Phosphate LiFePO4, Nickel Metall Hydrid NiMh Batteries

Kaili Electronic Limited (Changzhou Wujin Kaili Electronic Factory ) was founded in January in 2000 year . Located on Changzhou city , Jiangsu Province . Near the Shanghai 。
We are small scale factories . We only have about 30 worker .The factories about 800 square meter .
We production all kinds of Piezo buzzers , Magnetic buzzers, Piezo transducer , Magnetic Transducer SMD piezo buzzer, SMD Magnetic buzzer .The buzzers and Transducer applied to telephones , Home appliance, Passenger Cars , safety equipment etc for alarm .
We also production Pest Control product ：Solar Rodent repeller, Solar Snake Repellent , Ultrasonic Mosquito Insect Repeller ,USB Mosquito Killer Lamp .
We are OEM factory . Now our product major export to the USA and Europe Market .