??Sidway (Shenzhen) Technology development Co., Ltd. which belongs to Sidway(America) Technology development Group is a professional service provider and manufacturer for the DVR?board and stand alone DVR. Our company owns the following proper-right products : NVS, 4CH/8CH DVR Card(Audio & Video). Vehicle DVR, S tand-alone DVR (1/2/4/8/16 CH). We provide the service of installing, maintaining all the CCTV products per the market requirements as well.  Company now includes the following 5 departments: R&D Center, Market Center., System Integration Center, and Executive Center. Based on the strong technology of DSP, our mature and creative R&D team successfully develop out the products: H.264 Video Server, DVR Board, Decoding Unit, Network Camera which are widely used in the education, banking system, transportation, enterprises, petrol, post, video conferences, Supermarkets and etc.  Based on the principles: ? everything is for customer requirements, keep improving the products quality, get win-win result?, we will do our best to satisfy our customer, our dealer and our staffs.