In November 2019, the Ministry of Industry and Information Technology (MIIT) of China issued the "5G+ Industrial Internet" 512 project promotion plan to support the integrated development of 5G and industrial Internet. Over the past two years, with the joint efforts of all industry players, the "5G+ Industrial Internet" projects under construction have been extended to over 20 key industries, playing an important role in the transformation and upgrade of China's real economy.

Requirements for 5G+ Industrial Internet 
At present, China has built the world's largest commercial 5G network, and the development of China's Internet and industrial Internet has entered the fast lane. For differentiated industrial scenarios, the traditional ToC-oriented public core network cannot meet their diverse requirements for 5G.
—Deterministic network (TSN): The traditional ToC network can only offer the best-effort service with no guarantee of latency or jitter. A TSN network can fulfil various latency and jitter requirements, and ensure the network quality of the industrial Internet. With the development and large-scale application of the TSN technology, there is an increasing demand for 5G TSN.
—5G LAN: In the current industrial network, the equipment is confronted with such problems as limited cable mobility, high fiber installation costs, weak Wi-Fi security, and poor mobility. In addition, only Layer-2 access is supported, and the link has poor configurability with fixed application mode. These problems restrict the scale and flexibility of the private wireless network, which has led to a high demand for 5G LANs.
—Ultra-low latency and ultra-high reliability communication (URLLC): Some special scenarios, such as autonomous driving, remote control, telemedicine and VR/AR, require collision-free coordination of intelligent devices, and low-latency and high-reliability wireless communication is needed to implement real-time data exchanges to greatly improve efficiency and operational security. 

ZTE Industrial Internet Solution
Industries such as manufacturing, mining, power, iron and steel, metallurgy, port and transportation all have their own pain points and difficulties, which drives the development of customized ToB core networks. In 2022, ZTE has begun to deeply integrate 5G into core services of the industry.
For intelligent manufacturing, ZTE's private network solution provides an ultra-reliable and ultra-low latency deterministic network, which combines URLLC with TSN to ensure the highly reliable operations of various equipment. At the same time, the URLLC technology and TSN deterministic network are used to ensure the real-time transmission of data in the network.
For the mining industry, ZTE's private network solution provides a 4G/5G integrated network where the 4G and 5G networks are inter-connected and operate independently from each other. The network supports data and voice connectivity between the surface and underground, and can interconnect with the third-party voice dispatching system.
For the power industry, ZTE's private network solution enables differentiated networks to meet service requirements of different scenarios. For the DTU differential protection scenario, the TSN service is provided to ensure the real-time arrival of periodic inspection packets. For the electric power detection scenario, the multicast communication service is provided to save the uplink bandwidth. For the field scenario, the 5G LAN service is provided to save the optical cable installation costs.
For other industrial scenarios, ZTE also provides different private network solutions targeting their pain points and difficulties. 

ZTE Private Network O&M
To meet the network maintenance requirements of industrial customers, ZTE has launched a variety of powerful O&M tools.
For the industrial Internet, the users are more concerned about the running status and running indexes of the terminals. To meet the requirements of these customers, ZTE has launched the enterprise O&M portal iDOS system to interconnect with the enterprise's own system. It can display the key quality indexes (KQIs) as well as the KPIs for the network, so that the users can truly understand the running status of their own equipment and networks and realize self-O&M and self-management.

ZTE's Practices in 5G Industrial Internet
ZTE is actively working with leading enterprises to deploy industrial Internet powered by 5G along with other advanced technologies.
In Nanjing, ZTE's Binjiang Factory uses 5G to manufacture 5G, and connects workshop production equipment to the industrial Internet platform through 5G networks. In the production scheduling phase, end-to-end visualization, low latency, and intelligence are enabled. In the warehousing & distribution phase, processes from the storage of raw materials to the delivery of finished products become intelligent. Production workshops achieve automatic production status perception, automatic collection of production data, and real-time analysis of product data.
Since the signing of a strategic cooperation agreement in 2019, ZTE and Sany Heavy Industry have been exploring the application of 5G technologies in Sany's industrial parks in Beijing and Changsha by building 5G networks and conducting 5G service demonstrations. They have deployed or will deploy applications such as 5G AR, 5G real-time industrial control, 5G cloud AGV, 5G remote control and unmanned driving, 5G high-precision positioning and unattended security in the 5G park, speeding up the development of a model for industrial 5G.
In Zhejiang, ZTE and China Telecom Zhejiang Branch assisted SUPCON in commissioning China's first 5G SA site, and successfully put "5G slicing + edge computing + intelligent manufacturing" into trial commercial use, helping the enterprise build a new 5G smart factory. The innovative "5G slicing + edge computing + intelligent manufacturing" solution guarantees video streams with slicing, reduces the latency, jitter and packet loss rate of video transmission, and improves the accuracy and real-time performance of video analysis.
In 2021, the MIIT unveiled the industrial Internet innovation and development action plan (2021-2023). According to the plan, 30 5G fully-connected factories will be built in 10 key industries by 2023, and ZTE has made a good start with its practices. We believe that with the joint efforts of the entire industry chain, 5G fully-connected factories will be widely constructed across the country in the next three years to fast-track industrial Internet development.