With the characteristics of high speed, large connection, high reliability, and low latency, 5G can provide services for the intelligent connection of all things and is expected to bring profound changes to the entire society. Considering that my country's telecom operators have accounted for about 20% of global capital expenditures over the years, and they have strong industrial influence, my country's 5G acceleration will inject momentum into the global 5G development. 4G changes lives, while 5G is expected to empower all walks of life and bring prosperity to mobile Internet and industrial Internet. With the release of the fifth-generation communication technology (5G) standard solutions, 5G is gradually moving towards commercial use. For the application requirements of 5G's high bandwidth, low latency, and large connections, Huaneng (Taian) Optoelectronics Technology Co., Ltd. provides a complete set of bearer solutions The plan, with backbone, metropolitan area, and access as the context, covers a variety of 5G application scenarios from wired to wireless, from urban to rural areas.