C317 The Pinnacle of the World

The high-precision processing equipment of the Zhangjiakou was the domestic five-axis linkage machine that Nie Minhui had bought for Zhang Yunfeng. The previous processing precision did not even meet the requirement of 0.5 micrometers. It was the same as the world's top military-grade 0. 0.1 microns, there was still a gap of a few dozen times