在伟大领袖毛主席“独立自主”、“自力更生”方针的指引下,祖国社会主义事业蒸蒸日上,机械工业也在飞跃发展,在为农业服务的农机制造方面需用的圆锥管螺纹丝锥的需求量也大幅度增加。过去由于受到刘少奇修正主义企业管理路线的干扰,以及“洋奴哲学”、“爬行主义”的流毒所致,该产品工艺落后,加工机床几乎都是万能通用的工作母机,真 Under the guidance of Chairman Mao’s principle of “independence and independence” and “self-reliance,” the cause of socialism in the motherland is booming and the machinery industry is also leapfrogging. The demand for the conical pipe thread tap needed for the agricultural machinery and equipment manufacturing for agriculture is also large Increase in amplitude. In the past, due to the interference of Liu Shaoqi’s revisionist enterprise management line and the poisonous behavior of “Western slave philosophy” and “repulsionism”, the technology of the product lags behind and the processing machines are almost universal universal machine tools.