Wang Cheng is a practitioner in the elevator industry. According to his own statement, he has done every process of the elevator. As a result, after he reached forty, as the industry was in recession, he became unemployed. Every time in the dead of night, he would regret it, "Hey... I wish I had studied the electrical aspect!" By chance, he was reborn when he was a freshman in high school. Let's see how he perfected himself and climbed to the top of the elevator industry...
This novel takes elevator work as the main line, focuses on daily life, and is close to the reality of life. The early stage may be relatively dull, so please read it patiently.
