１９５５年 １１月苏联专家克拉沙夫柴夫同志在长沙机床厂指导工作，认为该厂质量检查卡片的编制工作做得较好，并建议向其他各厂介绍推广。虽然本文的内容还不够完善，但其工作方法是值得各厂学习的。 In November 1955, Comrade Klaçvuchav, a Soviet expert, guided the work at Changsha Machine Tool Plant. He thought that the work of making quality check cards for the factory was well done and recommended promotion to other factories. Although the content of this article is not perfect, but its working methods are worth learning from each factory.