With the Ministry of Industry and Information Technology promulgating the "Basic Telecommunications Business License" to China Radio and Television Network Co.

Ltd.（hereinafter referred to as China Radio and Television）

China Radio and Television became the fourth basic telecommunications service operator in China. As a new basic telecom operator

China Radio and Television will launch a new round of broadband infrastructure construction. In the construction process

in the new construction community

office buildings

etc. to avoid the repeated construction and waste of resources experienced by the previous three major operators is an important issue in front of China Radio and Television. Four networks together to build a shared solution is bound to be the best.This article describes the development of the four-net cobuilt and shared fiber optic cable distribution box products under the development concept of joint construction and sharing of smart cities.