HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. is a China-based company, principally engaged in the research and development, manufacture and distribution of video products, as well as the provision of video services. The Company mainly provides front-end products, back-end products and center control products. The Company's products include video encoders, video decoders, video optical transceivers, network optical transceivers, mixed video recorders (XVRs) and network video recorders (NVRs), among others. The Company also provides construction engineering services and innovation business. The Company conducts its businesses within domestic and overseas markets.