"Hey, did you hear me calling you over" the person called out again, sounding impatient now.,Liu Mingdong, an old employee from the Security Department, was in the same class as Chen Zifei. He kept stealing glances at the white-collar workers who came and went, proudly showing off to Chen Zifei.,A uniform of consistent gray, both top and bottom, radiated an aura of cold indifference.。