C156 An astonishing secret

When they saw that the number on the heart rate device beside Jing Guozheng's bed was 71, everyone was stunned, especially Jing Changtian and the others.

They had not forgotten the things that the President Zhu had told them earlier.

A normal person's heart would beat at a rate of 71, but in the beginning, Jing Guozheng had suffered from coronary heart disease