Weifang Qinyi Electron Science and Technology Co., Ltd is one of the biggest manufacturers for Electret Condenser Microphones and digital microphones in China. Established in 2000,Qinyi has been commited to designing, developing and manufacturing the microphones for more than 10 years. Highly experienced, our R&D Engineers have been devoted to delivering innovative and reliable products to meet the electric market. What's more,with the advanced