Pang Qiwen, a technical expert and senior technician of Guangxi Liugong Machinery Co., Ltd., is the "commander" of numerical control machine tools. He knows thousands of knives like the palm of his hand, and can be regarded as a master of knife recognition with blindfolded eyes. He overcame difficulties and pursued the ultimate craftsmanship, The NC machining accuracy is close to zero tolerance, He will eventually become a young "master"@ Guangxi Zhuang Autonomous Region Federation of Trade Unions