Du Ru stood at the front gate of Beijing's First Cotton Textile Factory. An old man sat at the entrance, staring intently at the stranger as if he were a thief.,The old man saw that Du Ru was composed, and he believed a few points in his heart. "Then you wait a moment, I'll make a phone call.",The family courtyard was far from the main gate. Lao Zhou worried that Du Ruo might forget, so he asked anxiously, "Did you remember Shall I say it again"。