Changzhou Tianyi Electronic Devices Co., Ltd was founded in 1996 with 12,000m² of land and 4,000m² of the factory building area. We passed the quality system of ISO9001-2000 in 2000. We possess a high-qualified management team and skillful staff who are working hard to develop and enlarge our company.

We produce professionally the piezoelectric products, such as piezo element, ultrasonic sensor, buzzer & tranducer, piezo-vibration sensor, piezoelectric converter etc.

Also we can develop and produce as per the customer's requested design, supply the tech-nology support with experiences and good reputation.
The company tenet is that human first, honesty and reputation.

Quality Principle: placing quality at first place and keeping improving.

Service Principle: continuously meeting customer's multiple requirements and the customer's satisfaction is our confidence and motivity.