A set of - Human World - Lei Jiayin pictures are shared with everyone. Zhou Bingkun, played by actor Lei Jiayin, is the third child of the Zhou family and the youngest among his siblings.Tough and brave, he is a down-to-earth grassroots worker. He does not have Zhou Bingyi's great ideals, nor does he have Zhou Rong's free and easy attitude. He can only stick to his heart and work conscientiously.