Beijing Kuaiyu Co., Ltd

Beijing Kuaiyu Co., Ltd is a leading China professional manufactuer  of audio surveillance products,video optimization products and telecom produsts. Our products including: audio surveillance microphone, video to VGA Converter,Lightning-proof Camera Power Supply, USB dialer (with caller ID), telephone voice box, call center etc.We are manufacturer ,we are the source.Welcome to visit our website:  www.quickfish.net [详细介绍]