With the development of the whole security industry in China, the network power is gradually growing. It takes video big data as the core and serves many industries such as public security, transportation, wireless city, medical care and education. At present, the product system of Dongfang Netpower Vientiane consists of Tianzhi intelligent equipment, Tianlian networking system, Tian Yan video products, Tianhe data products and industry solutions. Core products such as Tianlian Video Networking System (PVG), Tianhe Video Image Analysis System, Tianhe Intelligent Security Community System and Tianhe VID Video Governance System performed well. Among them, Dongfang Netpower introduced the Tianlian video networking platform PVG 10, reshaped the technical architecture according to the market characteristics of the discerning project, and realized a low-time and more stable architecture. At the same time, it can provide the fully connected video networking capability of "vertical tree multilevel cascade, horizontal star cross-domain sharing, fine authority control". Tianlian video networking platform conforms to GB/T 28181-2016 networking specifications, provides professional national standard gateway equipment, and can realize vertical cascade/peer-to-peer interconnection through national standard protocols. At the same time, at present, 123 vendors, 327 protocols and 2000+ devices have achieved compatible access, have customized development capabilities, and support platform interconnection and cascading of private SDK docking mode.