Shanghai qianxiang digital technology co. Ltd., an industrialization company of high-tech technologies specialized in the development of web-based multimedia products and embedded software, has, since its inception, adhered to the principle of “market-oriented, business-based, production-oriented integration” as one of its own entrepreneurial paths. Since its establishment in 2003, the crane digital system has been autonomously developed and developed with the iptv stream media server and roof box embedded software as its core technology. The products developed include the crane interactive television stream server, the crane smart multimedia distribution system, the crane wireless mobile stream server, the crane embedded terminal software, the crane video surveillance software, the crane video recording software, the crane p2p network network network media system, the crane flow security control system, etc. The crane products, which have qualified stability and the uni...