In 1994, the domestic machine tool industry fell into a comprehensive loss. The superiors sent Zhou Heng, the old director, and Tang Zifeng, a young college student, to Linhe No. 1 Machine Tool Factory, which was on the verge of bankruptcy, to help the company turn around. Strong, the Changying brand series machine tools produced by it have entered the international stage, surpassing all the heroes, and become a shining Chinese business card. With Changying in hand today, when will the Canglong be bound!