Small bearings, the limit that European traditional industrial powers can achieve is a tolerance of 0.01 microns. Under his hands? Add two 0s in front! Giant monster deep-sea excavators, the largest Western hegemony country can achieve is a self-weight of 380 tons , can dig a 10-story building. Built from his hands? Double the weight and double the digging depth! His name is Zhao Guoyang, a name that led the industrial rise of the Republic and shocked the world!