Ningbo Keep Improving Electronics Co., Ltd special in piezo element,piezo buzzer,magnetic buzzer,siren and horn,woofer and speaker.We are one of tne largest acoustic basement in china.
Company Information
Contact Person:Yu zhihai
Telephone:
Fax:
Business Type:Manufacturer
Year Established:1996
Number Of Employees:101 - 500
Total Annual Sales Volume:USD 5,000,001 - 10,000,000