Energy is the driving force of a country's economy and people's livelihood, as well as the inexhaustible source of sustainable development. He Mantang, the deputy foreman of the first shift of the substation maintenance division of the Second Substation Management Office of Guangdong Dongguan Power Supply Bureau of China Southern Power Grid, and a senior technical expert of China Southern Power Grid, has been working on the maintenance post for more than 30 years, and is known as "the maintenance person who takes the pulse of the power grid"; Zhou Chuangbin, a senior expert, researcher level senior engineer and senior technician in the special test of the commissioning center of CGN Nuclear Engineering Co., Ltd., has worked in the nuclear power field for many years and is known as "the guardian of nuclear power auscultation".

In the fourteenth episode of the documentary "Craftsmen in South Guangdong", we come to two craftsmen, He Mantang and Zhou Chuangbin, who are guarding the national energy security, to see their story of "guarding the lights of thousands of homes and protecting the arteries of the city"@ Guangdong Federation of Trade Unions @ Guangdong Trade Union Financial Media Center