Hangzhou Tsingvision Intelligence System Co., Ltd. has grown into one of the best DVR (digital video recorder) manufacturing companies in China as the result of intensive research and development of digital surveillance system and intelligence management platform of network video. All products are based on H.264 compression technology and J2EE platform technology, which guarantee the system with top performance and excellent reliability. "Sky your vision" is our motto, which means we offer top-ranking goods and perfect service to our customers. We have accumulated a vast quantity of field experience and DVR technology over past years, so we are qualified to satisfy the customer requirements promptly and reliably, and provide clients with quick response and professional technical service.