５０年前，二级钳工倪志福发明了以自己名字命名的“倪志福钻头”，后来成为第一位登上国际科学讲坛的中国工人；５０年后，倪志福又大胆创新，成功申请了“多尖多刃群钻“实用新型专利，成了第一个拥有技术专利的原党和国家领导人。小小的钻头上做出了如此大的文章，倪志福的 Fifty years ago, the second-level fitter Ni Zhifu invented the “Ni Zhifu Drill Bit” named after him and later became the first Chinese worker to board an international science forum. Fifty years later, Ni Zhifu boldly made innovations and applied for “ Edge group drilling ”utility model patents, has become the first with the patent and the original party and state leaders. Made a small bit such a big article, Ni Zifu