湖北省鄂城县粮机厂职工在毛主席革命路线指引下,发扬自力更生,艰苦奋斗的革命精神,打破洋框框,破除迷信,敢于走前人没有走过的道路,大搞技术革新和技术革命,在郑州磨料磨具磨削研究所等有关单位的支持和协助下,先后研制成功汉式和30—5A双辊 Under the guidance of Chairman Mao’s revolutionary path, the employees of Grain Machinery Factory of Hubei Province’s Echeng County carried forward the spirit of self-reliance and hard work, breaking the foreign framework, breaking away from superstition, dare to take the path that no one had before, and engaged in technological innovation and technological revolution. , With the support and assistance of relevant organizations such as the Zhengzhou Abrasives Grinding Research Institute, we have successively developed the Chinese-style and 30-5A twin rollers.