Shenzhen Defeng Industrial Co., Ltd mainly manufacture high quality microphone for two way radio, including shoulder speaker and all kinds of surveillance kit . Our products serves many fields and fits many kinds of adaptor & connector for all the major brand two way radio.We also offer OEM and ODM service."Quality First, Honesty Foremost, Customer Focus " are our principle of management. We set a high value on procedure in production and controlling quality . Our goal is to continuously meet and exceed customer expectations. Please contact us immediately if you'd like to know more our products.