ShenZhen YiShi Electronic Technology Development Co., Ltd is a high technology company
in the telecommunications industry. We have branch company in Hongkong and modern SMT plant in Mainland China, which has obtained ISO9001 and 2000 certification, so as to provide sufficient insurance of products quality and meet your demand for higher quality and lower price. The company specialize in manufacturing and marketing Telephone Recorder,Voice Logger Product and RF modules. Our modern SMT plant and R&D department offer PCB assemble and OEM service too.